What happens when ATP supplies energy for thin filaments in a muscle fiber to slide over the thick filaments?

A. The muscle contracts.

B. The muscle relaxes.

C. The muscle both contracts and relaxes.

D. The muscle neither contracts nor relaxes

Question

Julio Knight

31 January, 21:13

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Answers (1)

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Serena Whitney · Answer 1

The muscle contracts when ATP supplies energy for thing filaments in a muscle fiber to slide over thick filaments. The correct answer is A.

What happens when ATP supplies energy for thin filaments in a muscle fiber to slide over the thick filaments?A. The muscle contracts.B. The muscle relaxes.C. The muscle both contracts and relaxes.D. The muscle neither contracts nor relaxes