Q.

Regarding skeletal muscle, which is FALSE?

A. metabolic rate of muscle may increase 100 times in maximal activity
B. muscle cells can be excited chemically, mechanically and electrically, to produce action potentials in the cell membrane
C. actin is a myosin-binding protein which is a molecular motor, converting ATP energy to monomers
D. mitochondria are packed in between myofibrils
E. T tubules occur over the junction of I and A bands
Answer» C. actin is a myosin-binding protein which is a molecular motor, converting ATP energy to monomers
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