During contraction, asynchronous cycling of crossbridges
A) prevents tetany
B) prevents thick filaments from slipping backwards
C) prevents thin filaments from slipping backwards
D) utilizes less ATP
E) none of these
Correct Answer:
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Q21: The H zone
A) is the area within
Q22: Of the steps in excitation-contraction below, which
Q23: The T tubules
A) store Ca2+
B) provide a
Q25: Which is not characteristic of cross bridges?
A)
Q27: Which molecules are involved with regulation of
Q28: Which of the following changes in banding
Q29: Cross bridge interaction between actin and myosin
Q29: During muscle contraction, the
A) Z lines move
Q31: The T tubules
A) store Ca2+
B) provide a
Q37: The sarcoplasmic reticulum stores _ when a
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