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3 votes
As ATP binds to the myosin head at the beginning of a muscle contraction cycle, the myosin head immediately

A. detaches from actin.

B. initiates binding with actin.

C. tightens its bond to actin.

D. swivels.

User Cristi
by
8.1k points

1 Answer

7 votes

i dunno but i think its b

User Fakeer
by
8.6k points
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