The T tubules
A) store Ca₂₊
B) provide a means of rapidly transmitting the action potential from the surface into the central portions of the muscle fiber
C) store ATP
D) run longitudinally between the myofibrils
E) have expanded lateral sacs
Correct Answer:
Verified
Q22: During a cross-bridge cycle in skeletal muscle,
A)the
Q23: Binding of _ to myosin permits the
Q24: During contraction, asynchronous cycling of cross bridges
A)prevents
Q25: Which statement is not true about cross
Q26: An action potential rapidly spreads to the
Q28: Which of the following are involved in
Q29: Cross bridge interaction between actin and myosin
Q30: Which of the following changes in banding
Q31: According to the sliding-filament mechanism, the
A)A bands
Q32: The H zone
A)is the area within the
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