Which is not characteristic of cross bridges?
A) They are a component of thin filaments.
B) They are comprised of myosin.
C) They have an actin binding site.
D) They have an ATPase binding site.
E) They provide power stroking.
Correct Answer:
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Q20: Muscle fibers develop tension by
A) contraction of
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
Q26: During contraction, asynchronous cycling of crossbridges
A) prevents
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
Q37: The sarcoplasmic reticulum stores _ when a
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