According to the sliding-filament mechanism, the
A) A bands slide between the I bands
B) thin filaments slide inward toward the center of the A band
C) Z lines slide between the T tubules
D) contractile proteins shorten, thus shortening the sarcomere
E) filaments slide past the lateral sacs of the sarcoplasmic reticulum
Correct Answer:
Verified
Q26: An action potential rapidly spreads to the
Q27: The T tubules
A)store Ca₂₊
B)provide a means of
Q28: Which of the following are involved in
Q29: Cross bridge interaction between actin and myosin
Q30: Which of the following changes in banding
Q32: The H zone
A)is the area within the
Q33: Foot proteins
A)span the gap between a lateral
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
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