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eimsori [14]
2 years ago
7

Do all living things contain proteins? I need help with this question!!!

Biology
1 answer:
Harrizon [31]2 years ago
8 0

Explanation:

yes

any one free out

sin theta equals to cos theta then the value of sin 2 theta

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Which of the following chemicals opens us binding sites allowing muscle filaments to connect to each other? Select one:
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Answer:

The correct answer will be option-D.

Explanation:

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Calcium triggers the muscle contraction cycle as these calcium ions bind to the troponin-tropomyosin complex. This binding exposes the myosin-binding site on the actin on which high energy myosin binds and cross-bridge is formed.

This cross-bridge formation causes the contraction of the sarcomere and therefore muscle contracts.

Thus, option-D is the correct answer.

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3 years ago
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