Foot proteins
A) span the gap between a lateral sac of the sarcoplasmic reticulum and a T tubule
B) are believed to serve as Ca₂₊ channels
C) bind to and pull the thin filaments inward toward the A band's center during contraction
D) have characteristics a and b
E) are none of the above
Correct Answer:
Verified
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
Q34: During excitation-contraction coupling,
A)the action potential travels down
Q35: During muscle contraction,
A)the Z lines move farther
Q36: The T tubules
A)store Ca₂₊
B)provide a means of
Q37: The sarcoplasmic reticulum stores _ when a
Q38: Of the steps in excitation-contraction below, which
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