mroar9379 mroar9379

20-01-2018
Biology

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Which of these event s must occur first to trigger the skeletal muscle to generate an action potential and contract?

Respuesta :

02-02-2018

Prior to contraction in skeletal muscle, acetylcholine (ACh) causes temporary permeability to sodium. Acetylcholine, when defused attaches to receptors on the sarcolemma which then becomes temporary permeable to sodium ions which then rush into the muscle cell.

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