Biology, 21.04.2020 01:51, asco0317p34v1s

Answer ASAP:
What happens when a muscle contracts?

A.) Calcium combines with ATP to produce sarcomeres.
B.)Calcium produces contractions.
C.)Myosin heads attach to and pull on a series of actin-binding sites.
D.)Actin produces myosin and ATP.

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Answer ASAP:
What happens when a muscle contracts?

A.) Calcium combines with ATP t...