Multiple Choice
Why is myosin important for contraction?
A) ATP forms a bridge binding actin to myosin.
B) Actin heads bend when attached to myosin.
C) Calcium ions form a bridge moving actin along myosin.
D) Myosin heads bend when attached to actin.
E) Myosin synthesizes new strands of actin, lengthening the muscle.
Correct Answer:

Verified
Correct Answer:
Verified
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