Biochemical evidence supporting our current model of muscle contraction includes the observation that
A)actin and myosin have the same molecular weight.
B)myosin has ATPase activity.
C)myosin binds calcium.
D)titin binds calcium.
E)actin has ATPase activity.

Question

Quizplus · Accepted Answer

Myosin has ATPase activity, which is crucial for muscle contraction as it hydrolyzes ATP to provide the energy needed for the myosin heads to bind to actin and perform the power stroke.

Biochemical Evidence Supporting Our Current Model of Muscle Contraction Includes