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Wewaii [24]
3 years ago
7

How do some cells become brain cells and others become skin cells

Biology
1 answer:
Leona [35]3 years ago
4 0
Best Answer:  <span> In cell specialization/differentiation, specific cell functions are due to specific genes being "turned on" to perform those specific functions. Ex. liver cells become liver cells because genes specific to the function that those cells will perform become turned on.
That is why stem cell research is a very promising field in biology since these cells have the potential of becoming anything depending on the genes that get turned on or activated </span>
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Glycogen is _____. a polysaccharide found in plant cell walls a polysaccharide found in animals the form in which plants store s
sesenic [268]

Answer:

The correct answer is-a polysaccharide found in animals

Explanation:

Glycogen is a polysaccharide which is a highly branded form of amylopectin. In glycogen glucose residues are joined together by α1-4 glycosidic linkage and α 1-6 branching points occurs after every 8-10 glucose residues.

Glycogen is the main carbohydrate storage form of carbohydrates in animals. Glycogen is mostly present in liver and muscles. It breaks down into glucose and provide energy to the animal during the physical activity. Therefore glycogen is polysaccharide found in animals.

7 0
4 years ago
What are the safety hazards for a Bunsen burner
ddd [48]
<span> Do not allow solids to drop into the </span>Bunsen burner<span> to clog the gas jet or the a </span>Bunsen burner<span>. Type of flame. Gas tap. Air hole. </span>
3 0
3 years ago
1. Which of the following statements about proteins is incorrect?
velikii [3]

Answer: Option A.

Explanation: The correct answer to the question is option A, because not all proteins are made up of some combination of 20 essential amino acids.

3 0
4 years ago
During aerobic respiration, a glucose molecule is disassembled into carbon dioxide and water molecules. What fraction of the car
iris [78.8K]

Two-third fraction of the carbon dioxide molecules released is generated during the citric acid cycle.

Explanation:

Aerobic respiration results in energy production as well as releases the waste products of carbon dioxide plus water.

Pyruvate oxidation during aerobic respiration leads to the production of carbon dioxide and pyruvate is converted into a two-carbon molecule aligned with acetyl CoA.

This compound then proceed to the citric acid cycle, oxidize, and results in the production of two carbon dioxide molecules along with one GTP or an ATP, 3 NADH, and 1 FADH molecule.  

The citric acid cycle or the tricarboxylic cycle is a set of cyclic biochemical reactions taking place in aerobic organisms to oxidize the acetate (acetyl carbon molecules of the acetyl CoA) from proteins, carbohydrates, and fats into carbon dioxide and release energy.

5 0
3 years ago
1. A population of 246 earthworms live in a 6 m2 garden. What is the population density? SHOW YOUR WORK.
NikAS [45]

Explanation:

you just need to know that :

population density = no of ( what is asked) / land area.

4 0
2 years ago
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