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How does calcium enter the cytoplasm of the muscle cell

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Reference no: EM13156327

How does Calcium enter the cytoplasm of the muscle cell to start skeletal muscle contraction?

A) Through chemically-gated channels on the plasma membrane
B) Through voltage-gated channels on the plasma membrane
C) Through chemically-gated channels on the sarcoplasmic reticulum membrane
D) Through voltage-gated channels on the sarcoplasmic reticulum membrane

Reference no: EM13156327

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