The main role of myoglobin in muscle fibers is to ____.
A) magnify responses to neurotransmitters
B) sequester ions
C) synthesize ATP
D) store oxygen
E) enhance the strength of the power stroke
Correct Answer:
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Q17: In skeletal muscle contraction, an increase in
Q18: Skeletal muscles attach to bones by _.
A)
Q19: In skeletal muscle contraction, _ directly fuels
Q20: In skeletal muscle contraction, the neurotransmitter _
Q21: Exercising a muscle results in _.
A) the
Q23: Myoglobin content is high in _.
A) fast
Q24: Vertebrates such as _ have both exo-
Q25: The mechanism of muscle contraction was first
Q26: A defect in the transport of _
Q27: The frozen contraction of muscle cells called
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