Multiple Choice
What is the role of the sarcoplasmic reticulum in muscle contraction?
A) It stores Ca2+ ions for release during contraction.
B) It surrounds and protects the muscle filaments.
C) It provides sites of ATP synthesis.
D) It depolarizes when stimulated by an impulse.
E) It synthesizes actin and myosin filaments.
Correct Answer:
Verified
Correct Answer:
Verified
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