When calcium ion binds to troponin,
A) tropomyosin moves into the groove between the helical actin strands.
B) active sites on the myosin are exposed.
C) actin heads will bind to myosin.
D) muscle relaxation occurs.
E) myosin shortens.
Correct Answer:
Verified
Q22: At rest, active sites on the actin
Q41: Q41: The action potential is conducted into a Q46: Triggering of the muscle action potential occurs Q49: Each skeletal muscle fiber is controlled by Q49: Which of the following acts as an Q53: Receptors for acetylcholine are located on the Q66: The narrow space between the synaptic terminal Q68: Which of the following become connected by Q75: After death, muscle fibers run out of
A)synaptic
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