The process in this simulation showed an energy transformation that occured as is absorbed and molecules are broken apart and then rearranged to form new molecules during the chemical reaction in the plant cell.
Answer:
This refers to photosynthesis.This is because Photons of energy are absorbed by the chlorophyll for splitting water molecules to electrons and H+.The sunlight energy is also used to generate energy as ATPs, during chemiosmosis.This occurs at light dependent stage.
The H+ is later used to reduce CO2, in presence of ATPs to form a new compound as CHO, fatty acids and proteins back.This takes place in Calvin cycle, at Light independent stage.
Explanation:
Why is the habitable zone important for Exoplanets?
Answer:
A planet's atmospheric conditions influence its ability to retain heat, so that the location of the habitable zone is also specific to each type of planet.
Explanation:
Bacteria are known to change the kinds of fatty acids they produce as the temperature of their environment changes. What types of changes in membrane fatty acids would you expect as the temperature drops? Why?
Answer:
Bacteria has the ability to adapat according to the changes in the temperature. Bacteria has fatty acid cell membrane and can alter its composition to adapt the changes in temperature.
When the temperature drops, changes in the fatty acid membrane of bacteria are as following:
cell membrane become rigid and limit the flow of nutrients or decrease membrane fluidity.High concentrate of unsaturated fatty acids starts producing in order to fulfil the limited acitivity.Optimal temperature is required for the growth of bacteria, that is why bacteria changes cell membrane composition. If the nutrients flow will not be limited then it can affect the internal cells of the bacteria and it will not be able to survive inthe extreme conditions.
Hence, bacteria adapt according to the extreme temperature.
Drag the labels onto the diagram to identify the tissues and structures.
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central cand
matrix
Group 2
lacuna
Group 2
Group 2
osteocyte in
lacuna
Group 2
C
chondrocyto
Group 2
bono
(osseous
tissue)
Group 1
Group 1
hyaline
cartilago
Answer: See image
Explanation:
Cartilage is composed of chondrocytes and chondroblasts, immersed into the extracellular matrix. When the tissue is fixated, lacunae are also visible.
Bone formation involves osteoprogenitor cells, osteoclasts, osteocytes in lacunae, osteoblasts, extracellular matrix, and central ducts.
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Cartilage and bone are two specialized types of connective tissues.
Cartilage cells are
Chondrocytes → placed in small places of extracellular matrix with collagen fibers.Chondroblasts → are in charge of the extracellular matrix formation.When fixating a piece of tissue, the cells shrink by cytoplasm retraction, leaving a space between the cell and the extracellular matrix. This space is known as lacune or condroplast.
Once the chondroblast secreted the extracellular matrix, they turn less active, becoming Chondrocytes. These cells are bigger-sized and ovoid-shaped. Central chondrocytes arrange in small groups.
Cartilage does not have vessels, so cells nourish through nutrients that diffuse through the matrix.
Cartilage extracellular matrix is composed of fibrous proteins that provide stability -Type II collagen- and deformation resistance -GAGs-. This tissue is rigid but provides flexible support to specific regions. It places in areas where there is constant and direct compression. It is also involved in the endochondral ossification process.
Bone tissue differentiates from other tissues because of the mineralized extracellular matrix. This tissue provides support and protection due to the rigidity and hardness of the matrix. The bone cells are:
OsteocytesOsteoprogenitores → in charge of osteoblasts productionOsteoblasts → Synthesize and secrete osteoid matrix that will later calcifyOsteoclasts → Phagocytic cells in charge of osseous resorption and bone modulation.Among the matrix, there are spaces called lacunae. Each lacuna contains an osteocyte.
Osteoprogenitor cells produce osteoblast cells. When the extracellular matrix mineralizes, some of the osteoblasts get trapped in lacunae and turn into osteocytes. Nexus union canaliculus joint trapped osteoblasts and osteocytes.
In compact tissue, the bony matrix is arranged into concentric superposed laminae, with lacunae and osteocytes can be found in between. These laminae are arranged around a central longitudinal canal. The whole unit -matrix, lacunae, and canal- compose the osteone.
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Salts and other cell wastes from the blood are stored in the _____.
kidneys
bronchi
bladder
diaphragm
Answer:
It's the bladder.
Explanation:
Does anybody know this answer
Answer:
B. 10
Explanation:
300/30=10
Which of these is a part of the process of speciation?
O A. Living in a stable environment
O B. Interbreeding between species
O C. Increased gene flow
OD. Divergence in genetie traits
Answer:
d
Explanation:
Speciation is the formation of new species as a result of evolution these three stages are separation, adaptation, and reproductive isolation. First Stage: Separation. Speciation usually begins when a part of a population becomes separated from the rest of their species.
d
choose the correct. I will mark you brainliest.
Answer:
option b i.e. moth oesophagus,stomach,small intestine, large intestine , anus
Explanation:
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The area where the two chromatid halves of a chromosome are joined is called a?
Answer:
In the diagram, (1) refers to a chromatid: 1-half of two identical threadlike strands of a replicated chromosome. During cell division, the identical copies (called a "sister chromatid pair") are joined at the region called the centromere (2).
Explanation:
hope this helps you :)
Answer:
One of the two identical halves of a duplicated chromosome, the two chromatids that make up achromosome are referred to as sister chromatids. The complex of DNA, proteins that makes up eukaryotic chromosomes
Following DNA replication, the chromosome consists of two identical structures called sister chromatids, which are joined at the centromere
Explanation:
Over abundance of nutrients in the water is most likely to cause harm to which group of organisms?
A. Any organism that uses calcium carbonate to build support or protection.
B. Top tier predators that eat a lot of smaller fish
C. All organisms because it creates giant dead zones where nothing can survive.
D. Human populations through sea level rise
Answer:
Option-C
Explanation:
The flow of nutrients from the sewage and industries is the cause of the nutrient pollution in water bodies. These chemicals get accumulated in the water bodies affecting the aquatic ecosystem to a very large extent.
The increased level of nitrogen and phosphorus causes eutrophication which is also known as algal-boom. These nutrients cause the massive growth of algae which decreases the oxygen level of the water bodies. This increases BOD level of the water bodies which does not allow the growth of other aquatic species.
As a result of this, the dead zones are created where nothing can survive and therefore is the correct answer.
Thus, Option-C is the correct answer.
A specific type or RNA that delivers amino acids one at a time in the ordered
sequence specified by the mRNA strand is
Answer:
tRNAs
Explanation:
tRNAs bring their amino acids to the mRNA in a specific order. This order is determined by the attraction between a codon, a sequence of three nucleotides on the mRNA, and a complementary nucleotide triplet on the tRNA, called an anticodon. This anticodon also specifies the particular amino acid that the tRNA carries. hope this helps you :)
Human Impact on the Environment
Project: Evaluating Human Impact on the Environment
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Instructions
Click the links to open the resources below. These resources will help you complete the assignment. Once you have created your
file(s) and are ready to upload your assignment, click the Add Files button below and select each file from your desktop or network
folder. Upload each file separately.
Answer:
Human impact on the environment.
Explanation:
Human is the main responsible for the change in the environment. Human activities causes severe damage to the environment. The habitat of different species were destroyed by human for its own purpose. Large number of forest were eliminated for making land suitable for construction and living. Due to vehicles and industries, large amount of carbondioxide is emitted in the atmosphere which contribute in rising the temperature of the earth atmosphere. This global warming change the habitat of different organisms and these organism will die or migrate to other suitable places. Acid rain also occurs due to the emission of CO2, CO and SO2 from vehicles and industries. This acid rain causes adverse effect on the animals, plants and infrastructure or buildings.
Water has the ability to dissolve and carve itself into limestone. What environmental process is
this?
Answer:
dissolving power of rain water
Explanation:
The process where the water absorbs CO2 making it a bit acidic so over a period of thousands of years it erodes the limestone
This is correct
Hope this helps!!
what are two structural characteristics that triglycerides and phospholipids have in common
Answer:
The structural characteristics that phospholipids and triglycerides have in common are; 1. They both have fatty acids which vary in number whereby triglycerides has three fatty acids while phospholipids have two fatty acids and they both have a glycerol backbone
Explanation:
Which parts of your body are made of proteins? Check all that apply.
A. Muscle
B. Skin, hair, fingernails
C. hormones (chemical messengers)
D. Enzymes like lactase
Answer:
A. Muscle
Explanation:
Answer:
Skin, hair, fingernails
Explanation:
Excluding water and fat, the human body is made up almost entirely of protein. Protein is the main component of muscles, bones, organs, skin, and nails.
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what is the purpose of the proper handeling of experimental subjects
Answer:
so you won't get hurt and you'll be more cautious??
Answer:
to ensure that good and reliable data are collected. The proper handling of the experimental subject is to ensure the hypothesis is shown correct
Thetrophic level transfer efficiency (TLTE) is defined as the product of 100 and the quotient of production at the trophic level of interest and the trophic level one position lower. If the primary producers in a particular ecosystem provide 5000 kcal/m2/yr and the primary consumers in this ecosystem produce 1000 kcal/m2/yr, what is the TLTE for these two trophic levels in this ecosystem? (
Answer:
The trophic level transfer efficiency (TLTE) is 20 % for the producer and the primary consumer.
Explanation:
The trophic level transfer efficiency (TLTE) is calculated by dividing the value of primary consumer by the value of producer and multiply by 100. The value of 1000 is divided by 5000 and multiply by 100, we get 20 % which means that when the primary consumer eat producer, only 20% of energy is transferred in the body of primary consumer while the remaining 80% energy will be lost as heat energy in the ecosystem.
Imagine that there is a direct correlation between feeding efficiency and reproduction (the more resources you can gather, the more offspring you can produce), and that feeding apparatus is heritable (that is, it can reliably be passed from parents to offspring). If there were a population that started out with equal proportions of individuals with each of the three feeding types, would the frequency of each type increase, decrease, or stay about the same in the next
Answer:
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Explanation:
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Help me with this science problem please!
Answer i am not sure but pls i need points really fast
Explanation:
Some animals that try to adapt to climate changes eventually die due to starvation, as climate change alters the
Answer:many have gone into extinction because of climate change
Explanation:
Answer:
food web
Explanation:
edmentum/plato.
Unplanned, rapid urban growth can create what problem?
A: elimination of invasive vegetation
B: desertification of farmland
C:rangeland damaged from overgrazing
D:infrastructure that cannot adequately support the population
Answer:
D: infrastructure that cannot adequately support the population
Explanation:
When urbanization is unplanned and rapid that will lead to a poor infrastructure which will be unable to support the population.
Unplanned and rapid urban growth will not have enough infratructure or organizational structures that will lead to poverty and poor water and waste managemnet system that will lead to communicable diseases and will be unable to support the population.
Hence, the correct option is D.
Consider a locus with two alleles, A1 and A2. Mutation happens at this locus, but in a way such that A1 mutates to A2 with probability u and A2 mutates to A1 with probability v. If u = v (and neither of them = 0), the equilibrium frequency of the A1 is expected to be [Hint: set u and v to specific numbers that are equal to see what happens]:
Answer:
The equilibrium frequency of the A1 (p = v/(u+v)) is expected to be equal to the equilibrium frequency of the A2 (q = 1 - p)
Explanation:
Available data:
Locus with two alleles, A1 and A2The probability of A1 mutating to A2 is P(A1->A2)=uThe probability of A2 mutating to A1 is P(A2->A1)=vV=Unor V or U is equal to cerop is the frequency for A1 and q is the frequency of A2.The equilibrium frequency of the A1 is expected to be p = v/(u+v)
The equilibrium frequency of the A2 is expected to be q=1-p=1 - (v/(u+v))
For example, if V = U = 0.005, then
p = 0.005/(0.005+0.005) = 0.005/0.01 = 0.5q = 1-p = 1-0.5 = 0.5The equilibrium frequency of A1 = The equilibrium frequency of A2. The rate of mutation is equal for both alleles.
What is the most common reaction to flowers when haveing allergies ?
Answer:
Sneezing, coughing, dry nose and stuffy nose
What is the main use of freshwater worldwide?
A.Residential uses,such as bathing and cooking
B.Recreational uses,such as boating and swimming
C.Industrial uses,such as manufacturing
D.Agricultural uses such as watering crops
The main use of freshwater worldwide is the agricultural uses such as watering crops. Thus, the correct option is D.
What is freshwater?Freshwater is the water which contains only minimal quantities of dissolved salts and minerals, thus distinguishing it from that of sea water or brackish water. All the freshwater ultimately comes from precipitation of atmospheric water vapor, reaching the inland lakes, rivers, and groundwater bodies directly, or after the melting of snow or ice.
Healthy freshwater environments are the main water supply for drinking, growing crops, manufacturing, energy, and transport purpose. They also help to prevent erosion, dispose of waste material and provide natural protection against flooding.
Therefore, the correct option is D.
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Match each of the five levels of organization to their proper definition.
a group of tissues that work together to perform specific activities for an organism
a group of cells that are similar in structure and function
a living thing that carries out the processes of life
the basic unit of life for all organisms
a group of organs that work together to perform specific activities for an organism
DONE
Answer:
1. organ
2. tissue
3. organism
4. cell
5. organ system
Explanation:
Biological organization or levels of organization is defined as the hierarchy of complex biological structures present in the systems that starts with simplest structures and the complexity increase with hierarchy levels.
It organize biological structures from lowest level to the highest level, such as from atom to biosphere.
A functional group of tissues in an organism helps them to perform several activities is called an organ. for example - heart, constitute of several tissues.
A group of cells that functions similarly and have similar structure is called tissue. for example: Epithelial tissue
A living thing that carries out the processes of life is classified as organism. an organism under of the process of reproduction and give birth to other life.
The basic unit of life for all organisms is called a cell. All the organism are made up of different types of cell. for example: Clara cells found in airways of the lungs.
A group of organs that work together to perform specific activities for an organism is classified as an organ system. For example - respiratory system, it constitute of several organs such as lungs (organs), nose, , trachea, pharynx, larynx and bronchi which together performs respiratory function.
Hence, the correct matches of levels of organization that satisfy these definitions are:
1. organ
2. tissue
3. organism
4. cell
5. organ system
Products and components to other products are made on complex conveyor belts that run along the factory floor. There are two types of conveyor belts in this factory. One type of conveyor belt has many complex machines working along it; the machines are very efficient but only make a few types of products. This type of conveyor belt represents the_____________.
Answer:
The answer is rough endoplasmic reticulum.
Explanation:
If we apply this analogy to the cellular structures, the type of conveyor belt explained in the question represents the rough endoplasmic reticulum. Because it has a complex structure made up of membrane and ribosomes and it produces only a limited number of proteins just like the very efficient conveyor belt that produces only a few products.
I hope this answer helps.
A small group of people with several colorblind individuals move from the mainland move to a previously uninhabited, secluded island. Two hundred years later 5% of the people of the island have colorblindness. This is an example of:__________
Answer:
Founders effect
Explanation:
In population genetics, the founder effect is the loss of genetic variation that occurs when a new population is established by a very small number of individuals from a larger population. It was first fully outlined by Ernst Mayr in 1942, using existing theoretical work by those such as Sewall Wright.
Describe how our solar system developed (science)
Answer:
when a cloud of dust exploded a swirling disk of material was formed (more info below)
Explanation:
Our solar system was formed around 4.5 billion years ago by a thick cloud of interstellar gas and dust. The cloud burst, probably because of the shock wave of a nearby exploded star called a supernova. When this cloud of dust exploded, a solar nebula a spinning, swirling disk of material was formed.
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Genetic analysis identified a 10 kb segment of human DNA that correlated to a protein-encoded disease phenotype. How would you use at least three methods to identify the 1 nucleotide in this 10 kb that is responsible for the disease phenotype? Note that there are on average ~8 nucleotide polymorphisms in 10 kb. You do have family members, model organisms, and a biochemical assay available to you.
Explanation:
In the given question, the DNA segment of human can be sequenced or analysed through three processes:
2. DNA sequencing: DNA sequencing is the method by which the sequence of the nucleotides which are adenine, thymine, guanine and cytosine are sequenced in the correct order.
1. DNA probes: probes are synthesised nucleotide sequence which binds to specific sites of DNA. Since these probes are complementary to the specific region therefore the DNA polymorphic sequence can be sequenced.
3. Polymerase chain reaction: PCR is the technique which can amplify or replicate the DNA sequence but this involves the isolation of specific DNA sequence.
What is life and does it sucks?
Answer:
Life is a living matter and, as such, matter that shows certain attributes that include responsiveness, growth, metabolism, energy transformation, and reproduction, and sometimes life can sock, you have bad days, and good days, but the important thing is that you keep going.
Explanation:
Answer:
life can suck but it can also not suck
Explanation:
I have depreshon and haft to take zoloft to keep me happy, but sometimes I fell happy from geting a good grade on a test or when I got my first paychek, so sometimes life doest suck.