Which of the following is involved in the relaxation of a muscle cell?
A) Synthesis of ACh by acetylcholinesterase
B) Initiation of action potentials
C) The troponin-tropomyosin complex slipping back into its blocking position
D) Detachment of actin from tropomyosin
E) T tubules actively absorbing Ca₂₊
Correct Answer:
Verified
Q51: Muscles developing tension while lengthening are performing
Q52: With eccentric muscle contractions,
A)development of tension occurs
Q53: The energy for cross bridge cycling during
Q54: Twitch summation
A)results from increases in cytosolic calcium
Q55: Whole muscle tension depends on all of
Q57: Muscle tension
A)is created when tension generated by
Q58: During an isotonic contraction,
A)sarcomeres do not shorten
Q59: During an isometric contraction, the muscle
A)maintains a
Q60: The origin of a muscle is its
A)main,
Q61: The corticospinal system
A)consists of fibers originating in
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