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.
Answer: : A
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.
Answer: : A