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Step2247 [10]
3 years ago
15

What is the role of restriction enzymes in studying the human genome?

Biology
2 answers:
Flauer [41]3 years ago
8 0
A restriction enzyme<span> is an </span>enzyme<span> that cuts DNA after recognizing a specific sequence of DNA. You can think of </span>restriction enzymes<span> as molecular scissors. Scientists can use </span>restriction enzymes<span> to cut a single gene from a larger piece of DNA. </span>Restriction enzymes<span> evolved in bacteria. (please thank me and give me brainliest:))</span>
mafiozo [28]3 years ago
7 0

Answer:

Restriction enzymes cut the large DNA of human cells into smaller fragments at specific regions called as restriction sites.

Explanation:

Restriction enzymes are endonucleases that cut the DNA into smaller fragments. These DNA fragments are separated from each other through gel electrophoresis and used to make the DNA profiles of individuals. Thus, restriction enzymes help in study of human genome by carrying out site specific digestion of human DNA.

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It can be said that metabolism and homeostasis are related. Why can you not achieve homeostasis without metabolism?
Harrizon [31]

The right answer is A.

Metabolic homeostasis is provided by a set of interactions between the central nervous system (CNS) and peripheral tissues. The CNS controls the periphery by regulating the fraction of energy that enters the body (caloric intake) and that which emerges from it.

To perform this role, the CNS receives signals from peripheral organs and provides information on peripheral metabolism, as well as the extent of the reserves available to the body.

8 0
3 years ago
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Most of the digestion and absorption in the small intestine is accomplished by the __________; the longest portion of the small
Romashka [77]

Most of the digestion and absorption in the small intestine is accomplished by the duodenum; the longest portion of the small intestine is the ileum.

<h3>What is Digestion and Absorption?</h3>

Digestion stands for the complex function of turning the food you eat into nutrients, which the body utilizes for energy, growth, and cell repair required to survive. The digestion process also concerns creating waste to be eliminated.

Digestion stands for the breakdown of extensive insoluble food molecules into small water-soluble food molecules so that they can be immersed in the watery blood plasma. In particular organisms, these smaller substances exist absorbed via the small intestine into the bloodstream.

Absorption exists as a physical or chemical phenomenon or a procedure in which atoms, molecules, or ions penetrate some bulk phase – liquid or solid material. This is a separate process from adsorption since molecules undergoing absorption stand taken up by the volume, not by the surface.

To learn more about Digestion and Absorption refer to:

brainly.com/question/1615825

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8 0
2 years ago
Please answer the question<br> its worth one mark so i need a short simple answer
Nataliya [291]

Answer: There were less flies stuck to the model of the zebra with stripes.

7 0
2 years ago
Two species of meadowlarks have different mating calls that lead to reproductive isolation. What type of isolation does this exa
77julia77 [94]
Hi there!

The example of the meadowlarks is an example of behavioral isolation. This is because the mating call is a behavior the birds exhibit. This helps the birds to find their correct mate because though the birds look similar, they are not able to produce offspring.

Hope this helps!! :)
If there's anything else that I can help you with, please let me know!
6 0
3 years ago
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Hello, please help, see attached photo :) thanks
Dmitry [639]

Answer:

a. Parents AA x Aa

b.

                     A               A

A                   AA             AA

a                   Aa              Aa

c. 50%

Explanation:

a. Parents AA x Aa

b.

                     A               A

A                   AA             AA

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2 years ago
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