The Major Function of the Sarcoplasmic Reticulum in Muscle Contraction

question 97

Multiple Choice

The major function of the sarcoplasmic reticulum in muscle contraction is to ________.

• A) make and store phosphocreatine
• B) synthesize actin and myosin myofilaments
• C) provide a source of myosin for the contraction process
• D) regulate intracellular calcium concentration

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