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In Order for a Muscle Contraction to Occur, Cross-Bridges Must

Question 92

Multiple Choice

In order for a muscle contraction to occur, cross-bridges must form between which one of the following structures within a muscle cell?


A) the plasma membrane and the sarcoplasmic reticulum
B) troponin and tropomyosin
C) calcium and tropomyosin
D) acetylcholine and muscle cell receptors
E) actin and myosin

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