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bagirrra123 [75]
3 years ago
11

What does the term unzipping refer to in dna replication

Biology
1 answer:
san4es73 [151]3 years ago
5 0
The term "unzipping" in the DNA replication refers to the breaking of the hydrogen bonds.
<span>In the process of DNA replication, DNA helicases disentangle DNA at positions known as origins where synthesis will be initiated. DNA   helicases continue to uncoil the DNA  creating a structure called replication fork as they unzipped apart. The process of breaking the hydrogen bonds between the nucleotide base pairs in double-stranded DNA needs energy. Helicases require energy stored in an ATP molecule to break the bonds. </span>  
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Which of the following is an example of intrinsic regulation? Group of answer choices The hypothalamus senses that your core tem
7nadin3 [17]

Answer: Option B.

The heart senses an increase in blood pressure and secrete ANF to decrease blood pressure.

Explanation:

Intinstic regulation is when a cell, tissue or organ system can adjust and respond to change in environment on it's own. The intrinsic is inherent in organ meaning the organ can maintain homeostatis within itself.

For example, the heart can perform intrinsic regulation for it self. The heart can perform myogenic regulation by reacting and responding to increase or decrease in blood pressure to keep the blood flow in normal blood vessel constant. It is a sublevel to control cardiac function.

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4 years ago
Explain what would happen if the leaf tissue is kept at high temperature during the process of cell isolation
Aleksandr-060686 [28]

Answer:

Wilting of leaves occur.

Explanation:

if the leaf tissue is kept at high temperature during the process of cell isolation the leaf will shrink because of loss of all water. Due to high, temperature the stomata will be open and water is removed in order to remove heat from the body. A time comes that all water that is present in the cell will be removed and as a result wilting of leaves occur.

3 0
3 years ago
needles frighten janice. as she awaits a flu shot, janice's nervous system is probably going into overdrive. please choose the c
konstantin123 [22]

Needles frighten Janice as she awaits a flu shot, Janice's sympathetic nervous system is probably going into overdrive and is denoted as option B.

<h3>What is Sympathetic nervous system?</h3>

This refers to the part of the nervous system which increases when an individual is stressed or in the danger of something. It is also referred to as the nerves that help the body to activate its “fight-or-flight” response.

The fear of needle by Janice which frightens him activates the flight response which is why sympathetic nervous system was chosen as the most appropriate choice in this type of scenario.

Read more about Sympathetic nervous system here brainly.com/question/12961611

#SPJ1

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