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slega [8]
2 years ago
11

What are the two most common types of secondary structure found in proteins?

Biology
1 answer:
blondinia [14]2 years ago
4 0

Answer:

1- α-helices and β-arrays

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Action potential is answer
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The ability of your body's immune system to distinguish between your cells
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Answer:

<em>The correct option is cell surface markers.</em>

Explanation:

The immune cells of our body detect foreign particles and generate responses so that our body can get rid of them. The foreign particles are often termed as antigens.

The immune cells such as antibodies possess cell surface receptors which detect the foreign objects or antigens. When the cell surface receptors detect any antigen they immediately recognize that a foreign particle has invaded the body and they then identify it and start to generate response.

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Dennis_Churaev [7]
<h2>Sewerage & water system</h2>

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7 0
3 years ago
Which group of organic compounds stores genetic information?
vaieri [72.5K]
I got D, C, A, B, C, B, D, C. 

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6 0
3 years ago
28) The graph below shows how the activity of an enzyme changes at different temperatures.
puteri [66]

Answer:

d) The enzyme changes shape and can no longer speed up the reaction

Explanation:

Enzymes aare protein in nature therefore sensitive to changes in temperature. Most enzymes have an optimum temperature ranging from 35-40°c. As the temperature increases, optimum temperature is reached where the rate of reaction is maximum. Temperatures above 40-63°c denatures the enzymes making them non effective thus the reaction decreases sharply.

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3 years ago
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