The sarcoplasmic reticulum stores which substance when a muscle is relaxed and releases it for binding to which substance during contraction?
A) It stores calcium for binding to troponin.
B) It stores calcium when binding to tropomyosin
C) It stores sodium when binding to tropomyosin
D) It stores potassium when binding to tropomyosin
Correct Answer:
Verified
Q24: What happens during contraction of skeletal muscle
Q25: Which statement is correct for the T
Q26: Which statement concerning cross bridges is correct?
A)
Q27: What happens during a cross-bridge cycle in
Q28: Which statement is NOT characteristic of cross
Q31: How does an action potential rapidly spread
Q32: Which of the following is the first
Q33: During contraction,asynchronous cycling of crossbridges _
A) prevents
Q34: Which molecules are involved with regulation of
Q137: Binding of which substance to myosin permits
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