Fast-glycolytic (type IIx) muscle fibers
A) have high myosin-ATPase activity
B) can carry out oxidative phosphorylation
C) fatigue rapidly
D) contain myoglobin
E) have all of the above characteristics
Correct Answer:
Verified
Q58: During an isotonic contraction,
A)sarcomeres do not shorten
Q59: During an isometric contraction, the muscle
A)maintains a
Q60: The origin of a muscle is its
A)main,
Q61: The corticospinal system
A)consists of fibers originating in
Q62: Energy sources available to form ATP in
Q64: Which of the following does not directly
Q65: During aerobic exercise, the primary means for
Q66: Muscular fatigue can be caused by
A)lactic acid
Q67: Fast-oxidative (type IIa) fibers
A)contain very few mitochondria
B)can
Q68: Conscious initiation of muscle contraction is controlled
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