The cross-bridge power stroke corresponds to which event in muscle contraction?
A) myosin detachment from actin
B) sliding of actin with respect to myosin
C) cocking of the myosin head
D) binding of the myosin head to actin
Correct Answer:
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Q1: What is the function of tropomyosin in
Q2: Cnidarians, such as _, have muscle fibers.
A)clams
B)earthworms
C)jellyfish
D)sea
Q4: Cross-bridges form between the contractile proteins of
Q5: Curare is a poison that was used
Q6: Which letter(s) in the diagram of a
Q7: What event results from the hydrolysis of
Q8: Which letter(s) in the diagram of a
Q9: The contractile machinery of muscles is only
Q10: Which of the following is the motor
Q11: Calmodulin is involved in the regulation of:
A)skeletal
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