What controls differentiation? Choose the correct answer .

Answers

Answer 1

Gene expression controls differentiation of cells. Details about differentiation can be found below.

What is cell differentiation?

Cell differentiation is a cellular process in which the cells of multicellular organisms advance in organization and acquire special organs for specific purposes.

Cell differentiation is what forms specific cells that are adapted to specific roles in multicellular organisms.

However, this process of differentiation is as a result of the expression of genes at different times, since, all cells of an organism contains the same genes.

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Related Questions

Which of the following correctly explains the data in the graphs above?
Select one:
O a. The eastern states use much more water for agricultural use because the majority
of use farms and ranches are found there.
Ob. The western states use much more water for agricultural use because the majority
of use farms and ranches are found there.
OC.
The northern states use much more water for agricultural use because the majority
of use farms and ranches are found there.

Answers

The correct option to your question is : ( B ) The western states use much more water for agricultural use because the majority of use farms and ranches are found there.

The Agricultural region

The western states of the united states use much of water for agricultural purposes because most of the farms and ranches are found in the western region of the united states due its temperate weather conditions and fertile soil the west region can be classified as the agricultural region. as well as Texas

Although the graphs related to your question is missing the region that uses much water for agricultural purposes is the western region.

Hence we can conclude that The western states use much more water for agricultural use because the majority of use farms and ranches are found there.

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m
When people share a common resource
without agreement or regulation of its
use,
A. it is likely to become overused
B. it will last forever
C. it will never be overused
D. the possibilities are unknown

Answers

The answer would be D
Logically, A if it is a finite resource especially

Which statement about bones is
INCORRECT?
A. Babies' bones are mostly cartilage.
B. Ossification is the process of bone
development.
C. Blood vessels run around bones and not
through.
D. Bones are made of living tissues.

Answers

I believe the answer is: C

Using complete sentences, explain how large-scale agriculture leads to increased atmospheric co2.

Answers

Large-scale agriculture will definitely lead to increased atmospheric carbon dioxide. This is due to the attribute that the amount of oxygen released by agricultural plants increases and filters the air that contains toxic gases like carbon monoxide and vamoosing it with CO2.

What is Atmospheric CO2?

Atmospheric CO2 may be defined as the amount and quantity of carbon dioxide that is generally present in the atmosphere by the activity of burning fossil fuels, automobile emissions, etc.

It is true that large-scale agricultural activities purify the atmosphere by eliminating all poisonous gases like CO, SO2, etc. This activity is generally performed by the overproduction of carbon dioxide through agricultural plants.

Therefore, it is well described above.

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EASYYYYYYYY
a. Worldwide, what percentage of human water usage does industry account for?
b. What percentage in the US of human water usage does industry account for?

Answers

The percentage of human water usage that the industry account for is 19% while the percentage does industry account for in the US for human water usage is = 5%

What is human water usage?

Human water usage is the water used by individuals for direct purposes such as bathing, drinking, and cooking.

The percentage of human water usage that the industry account for is 19% while the percentage does industry account for in the US for human water usage is = 5%

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How could we build a microscope with a higher resolution?

Answers

To achieve the maximum resolution in a microscopic system, we can use a shorter wavelength of light to view the specimen which will ultimately increase the resolution.

The way that we could build a microscope with a higher resolution is; as detailed below

How to create a better Microscope?

To achieve the higher resolution in a microscope system, each of the optical components must be of  the highest Numerical aperture available.

Another way to achieve a higher resolution is by using a shorter wavelength of light to view the specimen which will increase the resolution.

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Match each step of the scientific method with its description.

construct a hypothesis
communicate the results
test the hypothesis
make observations
analyze the results and
make a conclusion
ask questions
Bread, when kept in the open for a
long time, shows the presence of mold.
arrowRight
What causes mold growth on bread?
arrowRight
Changes in temperature may affect
the growth of mold on bread.
arrowRight
Keep the bread in different locations,
changing the temperature at each location.
arrowRight
Increased temperature leads to the
growth of mold.
arrowRight
Make a presentation of the data, and
explain it to the class.
arrowRight

Answers

1- C ( this is an assumption; a hypothesis is always based on an assumption.

2- F ( this states to share the results with other classmates).

3- D (this is a description of an experiment you could conduct; you test a hypothesis (usually) by conducting an experiment.

4- A (this is something you could observe during the experiment, therefore it is an observation).

5- E (this sentence is a conclusion).

6- B (This is an actual question)

What is the hypothesis?

The hypothesis of most interest to the researcher is the alternative hypothesis.

For example: When we are talking about statistics, the alternative hypothesis is the one that proposes a new model or a new theory, in contrast to an old one, as in the case of the null hypothesis. Oftentimes alternative hypothesis has to be constant with the original research hypothesis in that it stems from previous research and investigation. In simple terms, the alternative hypothesis is in opposition or contrary to the null hypothesis.

Thus, this could be the answer.

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Natural selection results in ______. Group of answer choices a decrease in the size of a population. an increase in the size of a population. increased genetic variation. offspring adapted to their current environment

Answers

Answer:

increase in genetic variation

Which characteristic of life is being shown by the following image?
O Organisms react to stimuli
O Organisms grow and develop
O Organisms can adapt
O Organisms are made up of cells
O Organisms can use and obtain energy

Answers

Answer:

d

Explanation:

organisms are made up of cells

Why would it be hard to study the four major earth systems individually?

Answers

because all the systems are integral parts of the Earth, wherein all physical, chemical, and biological means are interrelated in these systems

Describe how the components of the chloroplast are arranged and integrated to
facilitate photosynthesis

Answers

The components of the chloroplast are arranged and integrated to facilitate photosynthesis is called chlorophyll.

What is the importance of chlorophyll?

Chlorophyll a absorbs dark blue wavelengths and dark red wavelengths and Chlorophyll b absorbs a light blue wavelength and a red wavelength. Chlorophyll has two main functions the biosynthesis of sugars and the production of oxygen.

Chlorophyll is the pigment responsible for capturing light and ensuring that photosynthetic organisms can produce their food through the process of photosynthesis.

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What is the function of lacI in the regulation of the lac operon? It is the operator that mediates the transcription of the structural genes. It is a structural gene that encodes permease. It encodes a repressor that, in the absence of lactose, binds to the lac operator and blocks expression of the structural genes. It is the promoter that mediates the transcription of the operon. It encodes a repressor that, in the presence of lactose, binds to the lac operator and blocks expression of the structural genes.

Answers

The function of lacI in the regulation of the lac operon is that it encodes a repressor that, in the absence of lactose, binds to the lac operator and blocks the expression of the structural genes. Thus, the correct option is C.  

What is Lac operon?

Lac operon may be defined as an operon or a set of genes with a single promoter that encodes genes for the carrier and metabolism of lactose in E. coli and other bacterial species.

The concept of the operon was first proposed by Jacob and Monod in 1961.

The lacI gene product, the lac repressor, is expressed from a separate transcriptional unit upstream from the operator.

When lactose is absent, the lacI gene regulates and produces repressor mRNA which translates repression.

Therefore, it is well described above.

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Mention four benefits of rearing the farm animal mentioned in a(i)..-
What is the most appropriate system of keeping the farm animal:....

Answers

The four benefits of rearing the farm animal mentioned area the Good pleasant and amount of milk that may be produced and it could upload to the earnings of the farmer.

What types of animal systems are there?

According to FAO, there are 3 predominant farm animal control systems: combined manufacturing. in-depth farming systems “landless” enormous manufacturing gadget.

A farming gadget is described as a complicated interrelated matrix of soil, plants , animals, implements, power, labor, capital and different inputs managed in component through farming households and encouraged to various stages through political, economic, institutional and social forces that perform at many levels (Dixon et al., 2001).Benefits of farm animals farming: 1) Good pleasant and amount of milk may be produced and it could upload to the earnings of the farmer. 2) Draught labor animals may be produced and utilized in agricultural work. 3) New range which can be proof against illnesses may be produced through crossing types with the preferred traits.

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What are the molecules that make up the cytoskeleton?

Answers

The molecules that make up the cytoskeleton are microtubules, intermediate filaments and microfilaments.

What is the cytoskeleton?

The cytoskeleton is a network of proteins inside the cell that provides structural support.

The main proteins of the cytoskeleton are composed of subunits that may be added or removed according to the cell function.

In conclusion, the molecules that make up the cytoskeleton are microtubules, intermediate filaments and microfilaments.

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How does the intracellular fluid compartment differ from the extracellular fluid compartment?.

Answers

The intracellular fluid (ICF) compartment is the system that includes all fluid enclosed in cells by their plasma membranes. Extracellular fluid (ECF) surrounds all cells in the body.

This​ year, druehl,​ inc. , will produce hot water heaters at its plant in​ delaware, in order to meet expected global demand. To accomplish​ this, each laborer at the plant will work hours per month. If the labor productivity at the plant is hot water heaters per labor​ hour, how many laborers are employed at the​ plant?.

Answers

2400 laborers are employed at the​ plant in given case.

What do you mean by global demand?

The overall demand around the globe for a good or service is called global demand.

N should represent the number of workers engaged at the plant. The total number of heaters made by all employees in an hour is:

watts = 0.15 watts per hour * N

The total number of heaters in a month will be:

heating units = 0.15 * N * 160

This must be 57600 to satisfy the anticipated demand, so:

If we solve for N using 57600 = 0.15 * N * 160, we get:

N = 57600 / (0.15 * 160) = 2400 laborers.

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what is the purpose of a control

Answers

To have a thing to compare your test results to. The control is not changed at all in an experiment so your other test results can be compared to it. It’s like the base level kinda

What is paleontology?
State two economic importance of bacteria.​

Answers

Paleontology is the science of the form of life existing in former geologic periods, as represented by their fossils.  

____

Bacteria are ubiquitous one-celled organisms, spherical, spiral, or rod-shaped and appearing singly or in chains, comprising the Schizmycota, a phylum of the kingdom Monera (in some classification systems the plant class Schizmycetes), various species of which are involved in fermentation, putrefaction, infectious diseases, or nitrogen fixation.

Bacteria play major role in decomposition, agriculture and industries.They are a part of human life.There are both beneficial and harmful effects of bacteria.

In decomposition:

They decompose dead plant and animal wastes, such as fallen leaves, and animal biological wastes.

Production of organic manure:

Manure is created by decomposing animal wastes such as dung and plant wastes.

Treatment of sewage:

Anaerobic decomposition by bacteria is used to convert wastes in sewage water to energy and purify the water.

Production of biogas:

It contributes to biogas plants by converting manure and household wastes to methane, which can then be utilized as fuel.

Nitrogen fixing through biological means

Rhizobium aids in symbiotic nitrogen fixation, whereas Nitrosomonas, Nitrobacter, and Nitrococcus aid in nitrogen conversion from one form to another.

Importance in medicine, industry, and biotechnology

Microbes are a source of antibiotics and vaccines in human and veterinary medicine for the treatment and prevention of infectious illnesses.

Dairy:

Curd and other milk products are mass-produced in factories using Lactobacillus curdling of milk.

Antibiotics:

Antibiotics are microorganism-produced chemicals that kill or inhibit other bacteria and are used to treat infectious illness. Molds like Penicillium and bacteria like Streptomyces and Bacillus create antibiotics in nature.

Vaccines

Vaccines are microorganism-derived compounds used to immunize against illness. Vaccines are often derived from the microorganisms that cause infectious illness. To immunize against diphtheria, a toxoid form of the diphtheria toxin is employed, and portions of Bordetella pertussis cells are utilized to vaccinate against pertussis (whooping cough). Smallpox, polio, diphtheria, tetanus, and whooping cough vaccinations have almost eliminated these illnesses in places of the world where they have been used.

Biotechnology

Microbiology contributes significantly to biotechnology, a branch of science that applies microbial genetics to biological processes in order to produce valuable molecules. Microorganisms are critical components of recombinant DNA technology and genetic engineering. Microbial cells, microbial DNA, and microbial enzymes are important technological tools.

Many biological products and biological processes have genetic information that may be introduced into microorganisms to genetically engineer them to produce a chemical or perform an activity. The genes can come from any biological source, including humans, animals, plants, and microorganisms. This allows for the microbial production of meals, fuels, enzymes, hormones, diagnostic agents, medications, antibiotics, vaccines, antibodies, natural pesticides and fertilizers, and a variety of other chemicals helpful in our civilization and society. Furthermore, the microbial genes that encode for these chemicals, the most of which are unknown, represent a wealth of knowledge for use in medicine, pharmacy, agriculture, food science, and biotechnology.

Harmful effects:

Causes diseases to plants and animals. Many human diseases are caused by bacterias.Spoilage of food.

Bacteria have numerous ecological and biological importance.

Answer:

Some of the halophilic archaea carry some processes which are economically very important such as biodegradation, bioremediation and environmental processes.

the two type of importance of bacteria

Bacteria are economically very important to people as they are employed in variety of reasons. For example, bacteria are used in the making delicacies like cheese, fudge, vinegar and yogurt. These are just a few things, that use bacteria.

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What is the relationship between velocity and speed

Answers

Speed is something pacing, increasing, or decreasing in its own acceleration. Velocity relates to speed because it is the same thing, except velocity is speed in a given direction.

Answer:

Relationship btw Speed and Velocity

Explanation:

Speed:

speed can only be positive.

Velocity:

Velocity can be positive, zero and negative in magnitude.

What is convection?

a type of circular flow
a type of heat cell
a type of heat current
a type of heat transfer

Answers

A type of circular flow

Imagine an instance where there are two parents, and both have polydactyly, a trait which is determined in this example by a singel gene. They have four children, one of hwom have polydactyly. what is the probailty their next child witll have polydactyly

Answers

The probability that their next child will have polydactyly is 0.75

What is Polydactyly?

Polydactyly may be characterized as a circumstance in which an individual has more fingers or toes as compared to normal.

In humans, it occurs due to the homozygous mutants for a HOXD13, and due to which digits are joined and a condition known as Polysyndactyly occurs.

If both parents carry the genotype heterozygous for Polydactyly, i.e. Pp, the resultant offspring will have the genotypes PP, Pp, Pp, and pp. In which pp is normal, while all the three are affected due to the expression of dominant allele causing Polydactyly.

Now, according to the question, only one of the offspring possess the genotype of pp, hence the probability of their next child will have polydactyly is [tex]\frac{3}{4}[/tex] = 0.75.

Therefore, the probability that their next child will have polydactyly is 0.75.

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The scale below shows the pH levels of various liquids. Which of the following substances is a strong acid?

Answers

Answer:

Soda

Explanation:

0 is the most acidic and 14 is the most basic /alkaline

The stage of the cell cycle during which the cytoplasm divides to form two cells is called:.

Answers

Mitosis? I believe, can’t you just search that up though

Which of the following represents a polar covalent compound?
H₂O
Cl₂
O2
NaCl

Answers

Answer:

NaCl

Explanation:

what's the answer??? ​

Answers

Answer:

D. Community C has a greater species population than Community B and A.

Explanation:

Community C total population: 98

Community B total population: 62

Community A total population: 24

Which organelle is responsible for giving plants colors other than green?
vacuole
chloroplast
mitochondria
lysosome




DNA is organized into structures called
microtubules
chromosomes
thylakoid stacks
nuclei

Answers

Answer:

chloroplast

chromosome

Explanation:

same

Answer:

Correct answer is vacuole.

Explanation:

Vacuoles containe anthocyanin pigment which makes vacuoles to appear in different colour such as red, blue and purple.

DNA is organized into structures called chromosomes.



Chromosome is made up of DNA tightly coiled many times around protein histone.

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What do felicitated the fusion an active transport have in common

Answers

The felicitated the fusion and active transport have in common both transport proteins with energy expenditure.

What do active transport and facilitated diffusion have in common?

The Facilitated Diffusion it occurs with the aid of a carrier protein (permease), which binds to the substance and transports it into or out of the cell and Active Transport is  expended as it moves against a concentration gradient.

In this case, the two exchange the concentration inside the cell to the outside and transport only proteins with energy expenditure.

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Specialised Plant cells are used to absorb water from the soil.

Explain how the structure of these specialised cells are adapted for its function.
(I need this to be slightly unprofessional,so please do not copy off a website,I also need this quick)

Answers

Answer:

The Roots have what are known as Root Hair Cells on their surface, these Root Hair Cells increase the Surface Area of the Root allowing a more efficient absorption of Water and Mineral Ions. Found within the cells is a large Vacuole. the role of any Vacuole is to hold the nutrients (mainly salts and sugars) needed for the cell to carry out its multiple functions. So, with this Vacuole being large, it allows more of these nutrients to be held for the Root.

The root hair cells have hair-like projections on each cell. It offers a larger surface area for absorption of water and mineral salts

Weather and natural disasters act independently of a population's density. These factors are called density ____________________ factors.

Answers

Answerthese and are called density independent factors

Explanation:

Weather and natural disasters act independently of a population's density. These factors are called density-independent factors.

Density-independent factors are environmental influences that affect populations irrespective of their size or density.

Weather events, such as hurricanes, floods, and droughts, as well as natural disasters like earthquakes and wildfires, can impact populations regardless of their abundance.

These factors can cause significant disruptions to ecosystems, alter resource availability, and influence the survival and reproduction of organisms.

Unlike density-dependent factors, which are influenced by the size of the population and can lead to competition for resources, density-independent factors exert their effects regardless of population size, making them important drivers of ecological dynamics and population fluctuations.

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Heat is an example of____energy of matter, and temperature is the measure of this energy.
Internal
Potential
Latent
Kinetic

Answers

Answer: Heat is an example of kinetic energy.

Explanation:

Since heat molecules are constantly moving, kinetic energy is used to describe this example of energy.

Heat is an example of Kinetic energy of matter, and temperature is the measure of this energy. So, the correct option is (D).

What is Heat?

Thermal energy or heat is a type of energy that comes from the motion of atoms and molecules in a substance. It increases when these particles move faster.

Geothermal energy is the heat energy in the earth while kinetic energy is the energy stored in the motion of objects. Heat energy comes from a substance whose molecules and atoms are vibrating rapidly due to the increase in temperature.

Heat energy is another name for Thermal energy or Kinetic energy which is the energy of an object in motion. Since heat energy comes from moving particles. It is a form of kinetic energy.

Thus, heat is an example of Kinetic energy of matter, and temperature is the measure of this energy. So, the correct option is (D).

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List any 10 situations that require help . Set up a linear system and solve. A cash register contains $5 bills and $50 bills with a total value of $345. If there are 15 bills total, then how many of each does the register contain? What is the rule when "ao" or "oo" are together when naming covalent bonds 24. Show and explain clearly, how you would solve the following problem using John Mason's Model for problem solving: A lady rears goats and fowls in her backyard. She observed that there were 42 eyes and 66 legs in her backyard. How many fowls and how many goats are in the yard? Following Napoleon's defeat in Russia, he:died in battle.was captured, tried, and executed.was exiled to Elba for the rest of his life.was exiled, returned, and was exiled again. a woman going through menopause may take ________ to minimize the symptoms. Who was the original advocate for social Security in the United States . What is the relationship between the speed of impact and the dropping height? When a firm makes choices between a cost or value position to achieve competitive advantage, it is primarily involved in: Eschool geometry v19, cindy mcdermott ( 4872/ s) - question 14 multiple choice worth 1 points) (04.03 mc) a segment with endpoints a (3, 4) and c (5, 11) is partitioned by a point b such that ab and bc form a 2:3 ratio. find b. o (3.8, 6.8) o (3.9, 4.8) o (4.2, 5.6) o (4.3, 5.9) question 15(multiple choice worth 1 points) Es necesario que los tringulos congruentes tengan el mismo tamao? Question 5(Multiple Choice Worth 5 points)(MC)Read these paragraphs and answer the question that follows:1. In 2008, more than one million American students gave nearly 20 million service hours to their communities. They made a difference in people's lives and learned someschools, are actively promoting service for all citizens as a way to be involved, help others, and improve themselves.2. Service is helping other people and being active in your community. For example, one group of teens planted a community garden with their friends. They grow a varietydonate the produce to a local soup kitchen. Workers there use the produce to help feed people in the community. By tending the garden and donating their produce, thecommunity.3. Service is valuable in ways that cannot be measured in dollars. People volunteer or serve others without expecting money or gifts in return. Service is not about earningaction and contributing to the common good. The people who serve as well as those who receive help benefit in many ways that are more important than money or giftswho may otherwise go hungry. The soup kitchen is extremely valuable for those struggling to get enough to eat. Those serving learn about compassion and how helping4. Millions of Americans are making society better for themselves and for others. They are participating citizens in their community, raising up those who are less fortunate.perspectives and needs of others, which are invaluable and important qualities of good citizens.What is the main idea of this article excerpt?O Service means helping others in the communityO Service benefits the helpers and those helpedO service is valuable because it is done for free.O Service requires help with food production. what is one major problem that has resulted from globalization in the 20th and 21st centuries?a.) Countries have less power to economically influence one another.b.) global population growth has slowed to its lowest recorded levels.c.) cultural interaction between different regions has greatly declined.d.) many cultural traditions and languages might die out.hhhhhheelllpppp!!!!!!!!! Simplify 1-4 can you show how you got the answer on a sheet of paper. Examination malpractice dilutes sanctity and integrity of certificate hii guys please answer this question if two -1 and 2 are two zeroes of the polynomial 2x3- x2 - 5x - 2, find its third zero Which two points on the number line represent numbers that can be combined to make zero? B and DA and BC and DA and C explain the roles of mRNA and tRNA The figure below is a right rectangular prism.XWMNxYNO122xTWhich expression represents the volume of the prism?01xOO(+)0 (x) Line m passes through the points (-4,3) and (-4,7). What is the slope of the line that is parallel to line m?