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Author Question: Triggering of the muscle action potential occurs after A) acetylcholine binds to chemically-gated ... (Read 85 times)

elizabeth18

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on: Feb 28, 2019
Triggering of the muscle action potential occurs after
 A) acetylcholine binds to chemically-gated channels in the motor end plate.
  B) acetylcholinesteras e is released from synaptic vesicles into the synaptic cleft.
  C) calcium ion binds to channels on the motor end plate.
  D) the action potential jumps across the neuromuscular junction.
  E) Any of these can produce an action potential in the muscle cell.

Question 2

In a sarcomere, cross-bridge attachment occurs specifically in the
 A) zone of overlap.
  B) A band.
  C) I band.
  D) M line.
  E) H band.


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yifu223

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Reply #1 on: Feb 28, 2019
Answer to Question 1

A

Answer to Question 2

A


elizabeth18

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Reply 2 on: Feb 28, 2019
Great answer, keep it coming :)

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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