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Steps of Muscle Contraction

9. Muscle Tissue / Steps of Muscle Contraction / Problem 4

Which of the following happens during the resting state of the muscle contraction cycle?

A

Calcium ions bind to troponin.

B

ATP is hydrolyzed to ADP.

C

Tropomyosin blocks the active sites on actin.

D

ATP molecule binds to myosin head.

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