Card 29 / 34: What happens at the neuromuscular junction after Ach has binded to the motor end plate? (Final step of motor neuron activation.)
A)
Calcium ions rush into the cytosol and bind to the troponin.
B)
Impulse travels T-tubules and sarcoplasmic reticulum.
C)
Myosin heads engage power stroke.
D)
Calcium ions react with synaptic vesicles.
Answer:
B) Impulse travels T-tubules and sarcoplasmic reticulum.
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Nick Swain |
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