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slamgirl [31]
3 years ago
8

The class of macromolecule that would most likely be involved in contracting muscles would be___

Biology
1 answer:
Ksju [112]3 years ago
8 0

Answer:

The correct answer is option - B. proteins.

Explanation:

The muscle contraction needs two protein that is essential in contraction. The muscle has motor protein myosin and spherical protein actin that are slide on one other in contraction that helps in muscle to contraction.

In the contraction, these protein filaments help to change in length and shape of the muscles. Thin filaments involve actin and thick filament in is myosin filaments.

Thus, the correct answer is option - b. proteins.

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c. When a rose bush cell divides, it copies its parts then divides into two cells <em><u>and</u></em>

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Explanation:

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<h2><em><u>Please rate this answer choice 5 stars and leave a thanks.</u></em></h2>
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Smiling is a universal sign of happiness in all cultures. T/F
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Answer:

True

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