What is the power stroke?
A) a protein found along the groove of the F-actin double helix
B) a T tubule and two adjacent terminal cisternae
C) the combination of myosin heads with active sites on actin molecules
D) the movement of myosin head while attached to actin myofilament
E) after exercise,the oxygen taken in that exceeds the oxygen required for resting metabolism
Correct Answer:
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Q103: Tetanus of muscles is described as
A) action
Q109: Aerobic respiration
A) produces ATP molecules faster than
Q116: An eccentric contraction is described as
A) action
Q120: Which of the following would contribute to
Q121: Aerobic exercise
A)increases vascularity of muscle.
B)develops fatigue-resistant fast-twitch
Q123: Which of the following correctly describes myoglobin's
Q124: Oxygen deficit represents
A)the amount anaerobic metabolism must
Q125: What is a triad?
A)a protein found along
Q127: When skeletal muscle is producing carbon dioxide
Q134: Intense exercise that results in a great
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