Stimulation of a muscle fiber by a motor neuron occurs at:

Stimulation of a muscle fiber by a motor neuron occurs at:
  1. the neuromuscular junction
  2. the transverse tubules
  3. the myofibril
  4. the sacroplasmic reticulum

Solution

Stimulation of a muscle fiber, by a motor neuron, occurs at the sarcolemma of neuro-muscular junction due to the release of a neurotransmitter (acetylcholine).

Asked in: NEET 2014

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