In skeletal muscle contraction, the neurotransmitter ____ is released at the axon terminal of the neuromuscular junction to trigger an action potential in the muscle cell.
A) troponin
B) Ca2+
C) tropomyosin
D) ATP
E) acetylcholine
Correct Answer:
Verified
Q15: The A bands in skeletal muscle are
Q16: Skeletal muscles in vertebrates connect to _.
A)
Q17: In skeletal muscle contraction, an increase in
Q18: Skeletal muscles attach to bones by _.
A)
Q19: In skeletal muscle contraction, _ directly fuels
Q21: Exercising a muscle results in _.
A) the
Q22: The main role of myoglobin in muscle
Q23: Myoglobin content is high in _.
A) fast
Q24: Vertebrates such as _ have both exo-
Q25: The mechanism of muscle contraction was first
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