Muscle contraction is triggered: – McqOptions

MCQOPTIONS

1.	Muscle contraction is triggered:
A.	When high levels of oxygen and sugar are released by the sarcolemma.
B.	When a surplus of ATP is released by a nerve motor unit.
C.	By release of a neurotransmitter at a synapse that directly causes actin and myosin to slide.
D.	By the nerve releasing a neurotransmitter, which triggers a flow of calcium that attaches to actin filaments and exposes the myosin binding sites.
Answer» E.

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