Help I need help with alleles

Help I Need Help With Alleles

Answers

Answer 1

Where the conditions related to Sickle-cell disease (SCD) is given, 2% of the population are carriers of the sickle cell allele (heterozygous individuals).

What is the explanation for the above response?

The frequency of the dominant allele (S) is p, and the frequency of the recessive allele (s) is q. Since there are only two possible alleles in this case, p + q = 1.

Let's assume that the percentage of individuals who exhibit signs and symptoms of sickle-cell anemia (ss) is q^2 = 0.09. This means that q = √(0.09) = 0.3.

The frequency of the dominant allele (S) can be calculated as p = 1 - q = 1 - 0.3 = 0.7.

To calculate the percentage of carriers (heterozygous individuals), we need to use the Hardy-Weinberg equation:

2pq = 2 × 0.7 × 0.3 = 0.42

So, 42% of the population are carriers of the sickle cell allele (heterozygous individuals).

Learn more about Sickle-cell disease (SCD) at:

https://brainly.com/question/30433609

#SPJ1


Related Questions

88. Transcribe the DNA molecule and Translate to find the proper protein in the transcription for each of
the following DNA molecules;
A) Use strand #2 from nucleotides 4 to 21 for transcription
1-GACATGAGCTTGCAGCCATAGATGGCTTA
2-CTGTACTCGAACGTCGGTATCTACCGAAT
Protein
B) Use strand #1 from nucleotides 2 to 28 for transcription
1-GACATGAGCTTACAGCCATAGAATTCTTA
2-CTGTACTCGAATGTCGGTATCTTAAGAAT
Protein

Answers

Proteins are produced by two close related processes: transcription and translation. They involve one DNA strand, mRNA, tRNA, rRNA, and amino acids. A) Protein:  Met-Ser-Leu-Gln-Pro. B)  Protein: Cys-Thr-Arg-Met-Ser-Val-Ser.

What are transcription and translation?

Transcription and translation are two processes involved in protein synthesis.

Transcription occurs first in the nucleus. During this event, mRNA is synthesized by copying a segment of the DNA molecule. The template DNA strand is used to pair its nucleotides and grow the new mRNA strand.

Translation occurs in the cytoplasm. During this event, the protein is grown by reading the mRNA codon sequence. tRNA, associated with rRNA, recognizes the codons and adds the correct amino acid to the new growing polypeptide.

A) We will use DNA second strand, from nucleotidic base 4 to base 21          

DNA strand:  C T G T A C T C G A A C G T C G G T A T C T A C C G A A T

        mRNA:            A U G A G C U U G C A G C C A U A G

Amino acids:  Met - Ser - Leu - Gln - Pro - Stop

        Protein:  Met - Ser - Leu - Gln - Pro

B) We will use DNA first strand, from nucleotidic base 2 to base 28

DNA strand: G A C A T G A G C T T A C A G C C A T A G A A T T C T T A

        mRNA:     U G U A C U C G A A U G U C G G U A U C U U A A G A A Amino acids:     Cys - Thr - Arg - Met - Ser - Val - ser - Stop - Glu

        Protein: Cys - Thr - Arg - Met - Ser - Val - Ser

You can learn more about transcription and translation at

https://brainly.com/question/30166840

#SPJ1

which of the following describes how parapatric speciation differs from peripatric speciation? group of answer choices parapatric speciation and peripatric speciation do not differ there is no contact between the two diverging populations in parapatric speciation there can be contact between the two diverging populations in parapatric speciation parapatric speciation is a subgroup of peripatric speciation there can be contact between the two diverging populations in parapatric speciation

Answers

In parapatric speciation there can be contact between the two diverging populations, while in peripatric speciation there is no contact between the two diverging populations, the correct option is C.

Peripatric speciation occurs when a small group of individuals separates from the larger population and undergoes genetic drift and/or natural selection, leading to the formation of a new species.

This small group is typically isolated geographically, and therefore, there is no contact with the original population during the speciation process. The selective pressures and/or genetic drift in the overlap zone can lead to the divergence of the two populations and the formation of a new species, the correct option is C.

To learn more about peripatric follow the link:

https://brainly.com/question/14952193

#SPJ4

The complete question is:

Which of the following describes how parapatric speciation differs from peripatric speciation? (group of answer choices)

A) parapatric speciation and peripatric speciation do not differ

B) there is no contact between the two diverging populations

C) in parapatric speciation there can be contact between the two diverging populations

D) parapatric speciation is a subgroup of peripatric speciation

E) there can be contact between the two diverging populations in parapatric speciation

what is the complementary strand for the following template strand of DNA: AAA TCG?

Answers

The complementary strand for the DNA template strand AAA TCG would be TTT AGC.

The process of DNA replication involves the formation of a complementary strand for the template strand. The complementary strand is formed by pairing nucleotides with their complementary bases. Adenine (A) always pairs with thymine (T), while cytosine (C) always pairs with guanine (G).

In the given template strand AAA TCG, the first nucleotide is A, so the complementary nucleotide is T. The second nucleotide is T, so the complementary nucleotide is A. The third nucleotide is C, so the complementary nucleotide is G. The fourth nucleotide is G, so the complementary nucleotide is C. The fifth nucleotide is A, so the complementary nucleotide is T. The sixth and final nucleotide is C, so the complementary nucleotide is G.

To learn more about DNA follow the link:

brainly.com/question/264225

#SPJ1

scientist learn about the properties of some particles from the collisions that occur inside a

Answers

Answer:

atom or particle accelerator

Explanation:

Scientists learn about the properties of some particles from the collisions that occur inside an atom or particle accelerator.

Soaking up of digested foods in liquid form is best described as

A. Absorption

B. Assimilation

C. Digestion

D. Excretion

Answers

Answer:

Absorption is the answer

Where would you find the most parasympathetic nervous fibers?



Answers

Vagus nerves

Approximately 80 per cent or more of all parasympathetic nerve fibers are contained in the vagus nerves (CN-X)

Classify the terms as most closely related to either an ecosystem or a community

Answers

While an ecosystem focuses on the interaction between living and nonliving components, a community describes the relationships among living organisms within an ecosystem.

Some of the terms that are most closely related to an ecosystem include abiotic factors such as climate, water, soil, and minerals, which influence the living organisms in the area. Other terms that are associated with an ecosystem include producers, consumers, decomposers, food webs, and trophic levels. These terms describe the interdependent relationships among living organisms in the ecosystem, and how energy flows from one organism to another.

On the other hand, a community refers to all living organisms in a particular area, which belong to different species. Some of the terms that are most closely related to a community include biodiversity, species richness, keystone species, and niche. These terms describe the diversity and interactions among different species within the community, and how they contribute to the overall functioning of the ecosystem. In summary, while an ecosystem focuses on the interaction between living and nonliving components, a community describes the relationships among living organisms within an ecosystem.

To know more about ecosystem click here:

https://brainly.com/question/1673533

#SPJ11

How do animals acquire amino acids in the nitrogen cycle.

Answers

Animals acquire amino acids through their diet, as they are unable to synthesize all the required amino acids on their own.

Amino acids are the building blocks of proteins, which are essential for many biological processes. In the nitrogen cycle, bacteria play a crucial role in converting nitrogen gas (N₂) from the atmosphere into forms that can be used by living organisms.

Nitrogen fixation by bacteria converts N₂ into ammonia (NH₃) and ammonium ions (NH₄⁺), which can be taken up by plants and used to synthesize amino acids. Animals that eat these plants, or eat other animals that have consumed these plants, then acquire these amino acids through their diet.

In addition to acquiring amino acids through their diet, some animals may also obtain amino acids by consuming soil or fecal matter that contains nitrogen-fixing bacteria or through symbiotic relationships with bacteria in their gut.

To know more about nitrogen cycle, refer here:

https://brainly.com/question/1615727#

#SPJ11

Are the lysosome of the cell directs cell activity and acts like the control center.

Answers

No, lysosomes are not the control center of the cell.

Lysosomes are membrane-bound organelles found in animal cells that contain hydrolytic enzymes involved in the breakdown of macromolecules and waste materials. They act as the "stomach" of the cell, digesting and recycling unwanted materials.

The nucleus is the control center of the cell, as it contains genetic material (DNA) that directs cell activity through the transcription and translation of genes.

The endoplasmic reticulum and Golgi apparatus are also involved in protein synthesis and transportation, while the mitochondria produce energy for the cell through cellular respiration. Each organelle in the cell has a specific function and works together to maintain the overall health and activity of the cell.

To know more about lysosomes, refer here:

https://brainly.com/question/31608740#

#SPJ11

Life appeared 3.5 billion years ago. What was the first life on earth?

Prokaryotic single celled organisms

Eukaryotic single celled organisms

Multicellular organisms

Answers

prokaryotic single celled organisims were the earliest life form

What differences/adaptations give some organisms a better chance of surviving in their environment

Answers

Organisms have adaptations, including physical and behavioral features, that allow them to survive in their environment, such as a cheetah's powerful legs or a polar bear's thick fur.

Organisms have different adaptations that allow them to better survive in their environment. These adaptations can include physical features such as camouflage, sharp teeth, and powerful legs, as well as behavioral adaptations such as migration patterns and social behaviors.

For example, a cheetah's powerful legs and sharp claws help it to hunt and catch prey in its African savanna environment, while a polar bear's thick fur and layer of fat allow it to survive in the harsh Arctic climate. Other organisms, like some types of bacteria, have adapted to extreme environments such as high temperatures or acidic conditions.

The ability to adapt to changing environments can also be important for an organism's survival. This may include adapting to changes in temperature, rainfall, or availability of food sources. Overall, the adaptations that an organism possesses can greatly influence its ability to survive and thrive in its environment.

To know more about environment, refer here:

https://brainly.com/question/30821114#

#SPJ11

PLEASE HELP!!!! Identify the leaf tissues. Record your answer under "Slide 3" on your lab report.

Answers

The three fundamental tissue systems that make up are a leaf dermal, vascular, and ground tissue systems. These three motifs are present throughout the leaf.

The leaf's epidermis also performs a more specific function by secreting a waxy material that coats the leaf's surface and is known as the cuticle. The cuticle is a feature specific to terrestrial plants and aids in water retention.

The only breaks in the otherwise continuous layer of the leaf epidermis are microscopic pores called stomata. In reality, each pore, or stoma, is just a tiny gap between two guard cells, which are highly specialized cells. Guard cells control gas exchange and transpiration by altering the size of the stomata. Different environmental factors have an impact on such modifications.

Each leaf trace divides repeatedly, branching further into the well-known veins that are frequently visible along the surface of leaves. The vascular components extend throughout the mesophyll to bring the xylem and phloem into proximity with leaf tissues that perform photosynthesis. The vascular components also act as a basic skeletal structure and function in material transport.

The middle of a leaf, between the upper and lower epidermal layers, is called the mesophyll. The ground tissue of a leaf, in addition to the mesophyll, also contains vasculature. The majority of a plant leaf is made up of ground tissue, which is typically made up of a variety of cell types, with parenchymal being the most prevalent. Parenchymal cells are surrounded by thin, flexible primary walls and carry out the majority of a plant's metabolic processes, though they are frequently less specialized than other plant cell types.

The mesophyll is split into two noticeably distinct regions, which is a feature shared by the leaves of many dicotyledons. The palisade parenchyma, which makes up the majority of the upper section, is made up of elongated columnar parenchymal cells that have three to five times as many chloroplasts as the cells that make up the spongy parenchyma, the lower layer.

This is the proper organization of leaves’ tissues in the plant.

Learn more about tissues here:

https://brainly.com/question/14662154

#SPJ12

Describe major trends in the evolution of life on Earth seen over geologic time supported by fossils

Answers

Trilobites, cephalopods like squid, as well as insects and plants are common relics from the Paleozoic era. A progression of evolution can be seen in fossils, which offer compelling proof that species from the past were distinct from those present now.

The morphological, or anatomical, record is made up of fossils and the comparative anatomy of living things right now. Important evidence for evolution and the adaptation of plants and animals to their habitats can be found in fossils. Fossil data records how creatures evolved and how this process can be represented by a "tree of life," demonstrating the interconnectedness of all species.

To know more about Trilobites, click here:

https://brainly.com/question/3654278

#SPJ4

Describe major trends in the evolution of life on Earth seen over geologic time supported by fossils?

I need help with alleles

Answers

The allelic and genotypic frequencies for the population are:

Frequency of the dominant allele (B) = 0.41Frequency of the recessive allele (b) = 0.59% homozygous dominant (BB) = 16.81%% homozygous recessive (bb) = 34.41%% heterozygous (Bb) = 48.78%

What are the allele frequencies?

Let's assume that the dominant allele is represented by "B" and the recessive allele is represented by "b".

First, we can use the fact that the frequency of the recessive allele is equal to the square root of the frequency of the homozygous recessive genotype:

Frequency of the recessive allele (b) = sqrt(0.35) = 0.59

Similarly, the frequency of the dominant allele can be calculated by subtracting the frequency of the recessive allele from 1:

Frequency of the dominant allele (B) = 1 - 0.59

Frequency of the dominant allele (B) = 0.41

Now, we can use the allelic frequencies to calculate the genotypic frequencies using the Hardy-Weinberg equation:

p^2 + 2pq + q^2 = 1

where p is the frequency of the dominant allele, q is the frequency of the recessive allele, p^2 represents the frequency of the homozygous dominant genotype (BB), q^2 represents the frequency of the homozygous recessive genotype (bb), and 2pq represents the frequency of the heterozygous genotype (Bb).

Plugging in the values we have calculated:

p^2 + 2pq + q^2 = 1

(0.41)^2 + 2(0.41)(0.59) + (0.59)^2 = 1

Simplifying:

p^2 = 0.1681

2pq = 0.4878

q^2 = 0.3441

Learn more about allele frequencies at: https://brainly.com/question/20408027

#SPJ1

Help pls


_______care neutral fats that form from one glycerol molecule and ___ fatty acids. _________ make up of most of the cell membrane. _________ have a backbone of _____ carbon rings and includes cholesterol and sex ____ like estrogen.

Answers

Triglycerides are neutral fats that form from one glycerol molecule and three fatty acids. Phospholipids make up most of the cell membrane. Steroids have a backbone of four carbon rings and include cholesterol and sex hormones like estrogen.

Triglycerides are a type of neutral fat that is composed of one glycerol molecule and three fatty acid chains. They are the main constituent of vegetable oils and animal fats and are stored in adipose tissue as an energy reserve. Triglycerides play a crucial role in human metabolism as a source of energy and also serve as insulation and cushioning for organs. When the body needs energy, triglycerides are broken down into fatty acids and glycerol through a process called lipolysis. These fatty acids can then be used as an energy source by the body's cells.

Phospholipids are a type of lipid molecule that forms the main structural component of cell membranes. They are composed of a glycerol backbone, two fatty acid chains, and a phosphate-containing group. The fatty acid chains are hydrophobic, or water-repelling, while the phosphate-containing group is hydrophilic, or water-attracting. This unique structure allows phospholipids to form a lipid bilayer, with the hydrophobic fatty acid chains on the inside of the membrane and the hydrophilic phosphate-containing groups on the outside, facing the aqueous environment both inside and outside the cell. This creates a selectively permeable barrier that controls the movement of molecules and ions into and out of the cell. Phospholipids also play a role in cell signaling and can act as precursors for important signaling molecules such as second messengers.

Learn more about estrogen:

https://brainly.com/question/8862412

#SPJ11

Final answer:

Neutral fats are formed from a glycerol molecule and three fatty acids, while the cell membrane is mainly composed of phospholipids. The steroid class of lipids has a structure based on four carbon rings and includes cholesterol and hormones like estrogen.

Explanation:

The glycerol molecule and three fatty acids combine to form neutral fats, also known as triglycerides. These triglycerides do not make up the majority of the cell membrane, however. Phospholipids are the primary component of the cell membrane. These substances, which are also types of lipids, consist of a glycerol molecule, two fatty acids, and a phosphate group. Meanwhile, the type of compound that has a backbone of four carbon rings is steroids. Steroids are a type of lipid and include substances like cholesterol and sex hormones such as estrogen.

Learn more about Lipids here:

https://brainly.com/question/33447977

#SPJ2

AssertionReplication and transcription occur in the nucleus but translation occurs in the cytoplasm.ReasonmRNA is transferred from the nucleus into the cytoplasm where ribosomes and amino acids are available for protein synthesis.Replication and transcription occur in the nucleus but translation occurs in the cytoplasm.ABoth Assertion and Reason are correct and Reason is the correct explanation for AssertionBBoth Assertion and Reason are correct but Reason is not the correct explanation for AssertionCAssertion is correct but Reason is incorrectDBoth Assertion and Reason are incorrect

Answers

DNA replication and transcription happen in the nucleus, while translation occurs in the cytoplasm. mRNA is transported to the cytoplasm where ribosomes use it to synthesize proteins. The answer is option A, both Assertion and Reason are correct, and Reason is the correct explanation for Assertion.

Replication and transcription occur in the nucleus where DNA is present, while translation occurs in the cytoplasm where ribosomes and amino acids are present.

During transcription, DNA is converted to messenger RNA (mRNA), which then travels out of the nucleus and into the cytoplasm where it is translated into protein by ribosomes. Hence, the reason is correct as mRNA needs to be transferred from the nucleus to the cytoplasm for protein synthesis to occur.

In summary, replication and transcription occur in the nucleus, while translation occurs in the cytoplasm. mRNA, which is produced during transcription, needs to be transferred from the nucleus to the cytoplasm where it is used as a template for protein synthesis by ribosomes.

The process of protein synthesis is therefore divided into two stages: transcription and translation, with transcription occurring in the nucleus and translation occurring in the cytoplasm. Hence, option A is correct.

To know more about DNA replication, refer here:

https://brainly.com/question/16464230#

#SPJ11

Why would eight beans in a pod be considered adaptation

Answers

different races of common beans respond differently to drought.

If the gene encoding the enzyme rubisco is mutated such that it is nonfunctional, the process that would be affected is the ability to select one or more: a. fix carbon. b. make atp. c. harvest photons. d. make o2.

Answers

If the gene encoding the enzyme rubisco is mutated such that it is nonfunctional, the process of fixing carbon dioxide would be affected.

Here, correct option is A.

Rubisco is the enzyme responsible for catalyzing the first step of the Calvin cycle, which is the major pathway of carbon dioxide fixation in plants. Without the enzyme, plants would not be able to convert the carbon dioxide they take in through photosynthesis into organic molecules.

This means they would be unable to produce energy-rich molecules like ATP, which are essential to their growth and survival. Furthermore, without the ability to fix carbon, plants would not be able to take in the energy from sunlight, or harvest photons, and use it to make oxygen, which is essential to all life on Earth.

Therefore, correct option is A.

Know more about enzyme here

https://brainly.com/question/31385011#

#SPJ11

Read the following statements and choose the statement that is incorrect with regard to photosynthesis 1
1) Photosynthesis occurs in all unicellular and multicellular organisms.
2) It is a reductive process
3) Carbon Dioxide is evolved as a byproduct in all the organisms capable of photosynthesizing
4) Dark reaction occurs in the stroma of the chloroplast
Codes

Answers

"it is a reductive process"

Explanation:

both oxidation and reduction take place in photosynthesis so we cannot classify it as just reductive.

in photosynthesis the water is oxidised while co2 is reduced. this basically transforms co2 into glucose and water into oxygen

hope this helps

Which sentence describes a carbohydrate?
OA. It may have a branching, layered, or twisting shape.
O B. It helps defend an organism against harmful foreign substances.
C. Each of its monomers contains a phosphate group, a sugar, and a
nitrogen base.
OD. It is insoluble in water.

Answers

Answer:

C. Each of its monomers contains a phosphate group, a sugar, and a

nitrogen base.

Explanation: A carbohydrate is a carb ad once in your body it transforms into a sugar.

1) What economic values does the rainforest offer other than its worth as timber?
2) Based on this talk, why are people failing to preserve such assets as the rainforest?
3) How are forests comparable to other forms of natural resources?
4) How does Pavan believe we should think about the value of a mangrove tree?
5) What are some potential solutions to the problems Pavan identifies?

Answers

Clouds in rainforests contain a lot of water vapor. Rain falls as a result of the clouds moving to new locations. The crops on farms will benefit from this rain.

Numerous job opportunities are available in tropical rainforests, including those as tour guides and environmental stewards. In the rainforest, there are employment opportunities in industries like mining, logging, farming, and construction.

Wood, lumber, raw materials, vegetables, and fruits—all of which have major economic value—are all provided by forests. The timber is employed in furniture production and building. Additionally, wood is necessary for the manufacture of paper.

As a source of a variety of production inputs, environmental goods, food, fuel, medications, household goods, building materials, and raw materials for industrial processing, forests are acknowledged as being an essential component of national economies.

Therefore, the crops benefit from the rain.

For more details regarding rainforest, visit:

https://brainly.com/question/27748876

#SPJ1

What would happen to a bacterial cell if its protective covering was destroyed? it would be better protected from the outside environment. it would be able to convert nitrogen to a usable form for plants. it would be harmed by chemicals in the environment. it would reproduce more slowly.

Answers

Without its protective covering, a bacterial cell would be exposed to the outside environment and become vulnerable to any toxins and pollutants it may contain.

This could cause harmful changes to the cell’s genetic material and metabolic processes, leading to reduced or halted reproduction, or even death. The cell would also be unable to convert nitrogen to a usable form for plants, as it relies on its protective covering to keep out certain molecules that could be harmful to it.

Without the protective covering, the cell would also be unable to regulate its temperature, making it more susceptible to extreme temperatures that could damage its DNA or other components. All in all, the destruction of a bacterial cell’s protective covering would have a severely negative impact on its ability to survive and thrive, leading to its eventual demise.

Know more about metabolic processes here

https://brainly.com/question/20053100#

#SPJ11

Each year, a daylily farm sells a portion of their daylilies and allows a portion to grow and divide. The recursive formula mc009-1. Jpg represents the number of daylilies, a, on the farm after n years. After the fifth year, the farmers estimate they have 2,225 daylilies. How many daylilies were on the farm after the first year?.

Answers

The number of daylilies on the farm after the first year was approximately 3,630.

The recursive formula given represents the number of daylilies on a farm after n years. After five years, the farm has 2,225 daylilies. To find the number of daylilies after the first year, the formula needs to be evaluated with n = 1, which gives a value of 80.

Substituting n = 1 in the formula, we get:

a₁ = 0.8a₀ + 250

where a₀ represents the initial number of daylilies on the farm.

To solve for a₀, we are given that after the fifth year, the number of daylilies on the farm is 2,225. Thus, we can use the formula to work backwards from the fifth year to the first year:

a₅ = 0.8a₄ + 250

a₄ = 0.8a₃ + 250

a₃ = 0.8a₂ + 250

a₂ = 0.8a₁ + 250

a₁ = 0.8a₀ + 250

We are given that a₅ = 2,225, so we can substitute this value into the formula for a₅ to find a₄. We can then substitute this value into the formula for a₄ to find a₃, and so on, until we find a₁:

a₅ = 0.8a₄ + 250

2,225 = 0.8a₄ + 250

1,975 = 0.8a₄

a₄ = 2,468.75

a₄ = 0.8a₃ + 250

2,468.75 = 0.8a₃ + 250

2,218.75 = 0.8a₃

a₃ = 2,773.44

a₃ = 0.8a₂ + 250

2,773.44 = 0.8a₂ + 250

2,523.44 = 0.8a₂

a₂ = 3,154.30

a₂ = 0.8a₁ + 250

3,154.30 = 0.8a₁ + 250

2,904.30 = 0.8a₁

a₁ = 3,630.38

Therefore, by calculating we can say that the number of daylilies on the farm after the first year was approximately 3,630.

To know more about the recursive formula refer here :

https://brainly.com/question/8972906#

#SPJ11

Answer:

C) 600

Explanation:

Random mutations may occur that cause a change in the order of nitrogen bases in a codon. one type of mutation involves the substitution of one of the nitrogen bases in a codon. explain the effect of a
substitution of one of the bases in a codon.

Answers

A substitution of one of the nitrogen bases in a codon can have a drastic effect on the function of a gene. A substitution mutation occurs when one of the nitrogen bases in a codon is replaced with a different base.

This change in the genetic code can lead to a change in the amino acid sequence that is produced after translation. Depending on the location of the substitution, the resulting amino acid sequence may be completely different from what was intended.

In some cases, the resulting amino acid sequence can be toxic to the cell, resulting in cell death. Additionally, the substitution may alter the function of the gene, resulting in a functional change.

For example, the substitution may result in the production of a protein that is non-functional or has altered activity. This can lead to a variety of diseases or other health problems. Therefore, it is important to be aware of the potential consequences of a substitution mutation when it occurs.

Know more about genetic code here

https://brainly.com/question/17306054#

#SPJ11

viruses are not considered living organisms because they group of answer choices are typically associated with disease. are ubiquitous in nature. can only be visualized using an electron microscope. are structurally very simple. cannot reproduce by themselves.

Answers

Viruses are not considered living organisms because they cannot reproduce by themselves, the correct option is B.

Although viruses have genetic material, they do not have their own cellular machinery to carry out transcription, translation, and replication. They depend entirely on the host cell's machinery to complete these processes.

Furthermore, viruses cannot carry out metabolism or respond to stimuli, which are essential characteristics of living organisms. Therefore, despite being ubiquitous in nature and often associated with disease, viruses are not considered living organisms because they lack the necessary metabolic and reproductive machinery to be self-sufficient, the correct option is B.

To learn more about viruses follow the link:

https://brainly.com/question/30972422

#SPJ4

The complete question is:

Viruses are not considered living organisms because they

A) are ubiquitous in nature.

B) cannot reproduce by themselves.

C) can only be visualized using an electron microscope.

D) typically associated with the disease.

E) are structurally very simple.

The part of a DNA molecule that differs between
humans and chimpanzees is

Answers

approximately 4%--comprising approximately 35 million single nucleotide differences and approximately 90 Mb of insertions and deletions.

The International Space Station is a huge science laboratory that orbits Earth every 92 minutes. Experiments on board the International Space Station can help scientists learn

Answers

The International Space Station (ISS) is indeed a massive scientific laboratory that orbits our planet every 92 minutes. It serves as a unique platform for conducting various experiments in microgravity and space environments that are not possible on Earth. The research conducted onboard the ISS has helped scientists understand various aspects of life in space, such as how the human body adapts to microgravity, how plants grow in space, and how materials behave in extreme conditions.

The microgravity environment of the space station allows scientists to study how materials and fluids behave in the absence of gravity, which can help improve the design and performance of spacecraft, as well as develop new technologies for use in space.

Experiments on board the space station also provide a unique opportunity to study the effects of microgravity on living organisms, such as the growth and development of plants and animals. These studies can help scientists understand the mechanisms behind the effects of microgravity on human health, which is important for future space exploration missions and long-duration spaceflights.

Additionally, the space station serves as a platform for conducting a wide range of experiments in fields such as physics, chemistry, and astronomy. The space station's location in low Earth orbit also provides a unique vantage point for observing and studying Earth's atmosphere, climate, and environment.

Overall, the International Space Station is an important tool for scientific research and exploration, and its experiments are helping to advance our understanding of space and the universe, as well as improve life on Earth.

Learn more about microgravity:

https://brainly.com/question/18186781

#SPJ11

Factors that increase the spread of infectious diseases include all of the following except

Answers

Various factors can contribute to the spread of infectious diseases, including environmental factors, human behavior, and other social and economic factors. For instance, crowded living conditions, poor sanitation, and lack of access to clean water can create a suitable environment for disease transmission.

Additionally, traveling across different regions or countries can increase the chances of spreading diseases, as well as the increase in human interactions, such as social events and gatherings. Poor personal hygiene, such as not washing hands regularly, can also lead to the spread of infectious diseases.

Furthermore, some zoonotic diseases can be transmitted from animals to humans, especially if people come in close contact with infected animals.

However, one factor that does not increase the spread of infectious diseases is vaccination. Vaccination helps to prevent the spread of infectious diseases by providing immunity to individuals and reducing the likelihood of transmission to others.

Preventing the spread of infectious diseases requires a comprehensive approach that addresses all of these factors, and more. It is important to promote good hygiene practices, increase access to healthcare and vaccines, and educate the public on disease prevention.

To know more about "Zoonotic diseases" refer here:

https://brainly.com/question/19884356#

#SPJ11

The yeast cell Saccharomyces cerevisiae is moved from an environment containing oxygen to an entirely oxygen-free environment. What type of metabolic changes/ reactions will occur in the yeast cell? Describe your answer within two to three sentences

Answers

In the absence of oxygen, Saccharomyces cerevisiae will switch from aerobic respiration to anaerobic fermentation, producing ethanol and carbon dioxide as byproducts. This metabolic shift will result in decreased ATP production, but the yeast will still be able to generate energy to sustain its survival.

When a yeast cell such as Saccharomyces cerevisiae is moved from an environment containing oxygen to an entirely oxygen-free environment, it will undergo a metabolic shift from aerobic respiration to anaerobic fermentation.

Aerobic respiration is a process that requires oxygen and occurs in the mitochondria of eukaryotic cells, including yeast cells. During aerobic respiration, glucose is broken down in a series of reactions to produce ATP (adenosine triphosphate), the primary energy source of the cell. Carbon dioxide and water are also produced as byproducts.

In the absence of oxygen, yeast cells cannot perform aerobic respiration and must rely on anaerobic fermentation for energy production. During fermentation, glucose is broken down into pyruvate in a process called glycolysis, which occurs in the cytoplasm of the cell. Unlike aerobic respiration, fermentation does not require oxygen.

In yeast cells, pyruvate is then converted to ethanol and carbon dioxide in a process called alcoholic fermentation. This process regenerates the coenzyme NAD+ that is needed for glycolysis to continue and produces ATP as well. However, unlike aerobic respiration, the production of ATP during fermentation is relatively inefficient.

As a result of this metabolic shift, the yeast cell will produce less ATP, and the byproducts of fermentation, such as ethanol and carbon dioxide, will accumulate in the cell and its environment. In addition, the cell's metabolic rate will decrease since fermentation is less efficient than aerobic respiration.

Overall, when the yeast cell Saccharomyces cerevisiae is moved from an environment containing oxygen to an entirely oxygen-free environment, it will undergo a metabolic shift from aerobic respiration to anaerobic fermentation to produce energy.

Learn more about Saccharomyces cerevisiae:

https://brainly.com/question/30416155

#SPJ11

Order these events that occur during secondary succession correctly from 1-5.

Answers

The correct order of the secondary succesion in the forest is:

An oak-hickory forest is cut down and cleared for farming.The farm is abandoned.Crabgrass thrives in the hot, dry environment of the bare field and adds nutrients to the soil.Small shrubs invade the field, shading the soil and allowing pine seedlings to survive.Hardwood trees replace the pines and succession is complete.

What is secondary succession?

Secondary succession is the process of ecological succession that occurs after a disturbance or disruption of an existing ecosystem. It involves the gradual establishment and development of a new ecosystem in an area that was previously occupied by a different community of organisms.

Unlike primary succession, which occurs in areas where there was previously no ecosystem, secondary succession occurs in areas where an ecosystem has been disturbed or destroyed, but the soil and some plant and animal species remain. Examples of disturbances that can lead to secondary succession include wildfires, clear-cutting of forests, and abandoned agricultural fields.

Learn more about secondary succession at: https://brainly.com/question/30763301

#SPJ1

Other Questions
Scenario #2 You are the Training Co-ordinator. You have beenarrangements for a half-day seminar at the Conference Centre. The sem25 Division Chiefs from various departments. Write a memo to the director ofConference Centre, Mary-Ann Downs, making arrangements for saleaudio-visual equipment, and refreshmentsundunting departmedepartment for a large com Which cognitive expert's theory does the scenario describe? Ashlyn has a dog in her house, but she has never seen a cat. When she visits a friend who has a cat, she notices the animal's fur and four legs and thinks it is a dog. Once learning the animal is a cat, she notes the differences and tells her parents about the new animal she met.ResponsesLev Vygotsky's cultural-history psychology frameworkLev Vygotsky's cultural-history psychology frameworkJean Piaget's schemata theoryJean Piaget's schemata theoryErik Erikson's psychosocial stagesErik Erikson's psychosocial stagesLev Vygotsky's pivots theoryLev Vygotsky's pivots theory What does kinetic energy depend on? (choose all that apply)a massb heightc speed d time , explain how using a variety of sentence types improves a story A 0. 495M solution of nitrous acid, HNO2, has a pH of 1. 83a) Find the percent ionization of nitrous acid in this solution. You may assume the temperature is 25 oC. b) Calculate the value of Ka for nitrous acid. You may assume the temperature is 25 oC. c) Using the value of Ka you determined in b), calculate the pH of a solution formed by adding 1. 0 g of NaNO2 to 750 mL of 0. 0125M HNO2. You may assume the temperature is 25 oC Would you use this document to JUSTIFY America's going to war with Mexico or to argue AGAINST America's going to war with Mexico? Explain, and cite at least one piece of evidence from the text that you could use to support your position. Your response should be at least two complete sentences In what time will Rs. 6350 amounts to Rs. 8255 if the simple Interest is calculated at 10% per annum ?Also, find the rate of interst if He returns in 1 1/2 years . which two nations should have wwi been between What will phospholipids form when placed in water? a sphere-shaped single layer a sphere-shaped double layer a sheet-shaped double layer a sheet-shaped single layer why does it feel like something is stuck in my throat In ARST, r = 58 cm, m/S=48 and m/T=29. Find the length of s, to the nearestcentimeter. How do you solve the cube root function of x/ = 16? The ratio of dolls thta jack had to peter was 5:2. After jack gave peter 15 dolls, they had the same amount of dolls. How many do they have together? 4. An open cylinder is filled with water to a height of 0.5m. What is the absolute pressure on the base area? s Determine which in-text citations are formatted correctly in MLA style. 1. One change that is being implemented is that "school lunches are required to provide a specific variety of produce each week" (Rita 4). Is this Improper MLA and Proper MLA2. Research has found that only 6 percent of all school lunches are considered nutritious (Gardiner and Mabel 401). Is this proper or improper MLA 3. Children who bought school lunches are "30 percent more likely to be obese" than students who brought their lunches from home every day (Newman 24). Is this proper or improper MLA4. According to the National School Lunch Program, the government requires schools "to abide by certain dietary guidelines chosen each year" (USDA 24) to ensure that it is meeting childrens nutrition needs. Is this proper or improper MLA5. The National School Lunch Program requires schools to serve lunches according to age-appropriate portions. Is this proper or improper MLA6. According to Rhys, "Typically school lunches are packed with over 900 calories. You can help your children manage a healthy diet by packing a lunch for them to bring to school. " (12) Is this proper or improper MLATy for answering the questions if you do Consider the reaction when 0. 40 mol of propane is burned completely with 2. 00 mol oxygen Which of the following numbers is shown plotted on the number line?00 2.75 0 2 0-3 0-2 0-15 On January 1, 2021, Labtech Circuits borrowed $220,000 from First Bank by issuing a three-year, 9% note, payable on December 31, 2023. Labtech wanted to hedge the risk that general interest rates will decline, causing the fair value of its debt to increase. Therefore, Labtech entered into a three-year interest rate swap agreement on January 1, 2021, and designated the swap as a fair value hedge. The agreement called for the company to receive payment based on an 9% fixed interest rate on a notional amount of $220,000 and to pay interest based on a floating interest rate tied to LIBOR. The contract called for cash settlement of the net interest amount on December 31 of each year. Floating (LIBOR) settlement rates were 9% at inception and 10%, 8%, and 8% at the end of 2021, 2022, and 2023, respectively. The fair values of the swap are quotes obtained from a derivatives dealer. These quotes and the fair values of the note are as follows:January 1 December 312021 2021 2022 2023Fair value of interest rate swap 0 $(3,759) $2,935 $0 Fair value of note payable $300,000 $296,241 $302,935 $300,000 Required:a. Calculate the net cash settlement at the end of 2021, 2022, and 2023. b. Prepare the journal entries during 2021 to record the issuance of the note, interest, and necessary adjustments for changes in fair value. c. Prepare the journal entries during 2022 to record interest, net cash interest settlement for the interest rate swap, and necessary adjustments for changes in fair value. d. Prepare the journal entries during 2023 to record interest, net cash interest settlement for the interest rate swap, necessary adjustments for changes in fair value, and repayment of the debt What happens to a buffered solution when a small amount of base is added?O The solution quickly becomes neutral.O The solutions resists changes in pH.O The solution slowly becomes acidic.O The solution quickly becomes basic. How much money should Be deposited today in an account that earns 10.5 percent compounded monthly so that it will accumulate to $22,000 in four years