Give an account of the mechanism
involved in ER Ca*+ pump called
SERCA (Sarco Endoplasmic Reticulum
Ca** -ATPase). (10 marks )
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Answer:Upon electrical stimulation of the myocyte plasma membrane, Ca2+ is released from the sarcoplasmic reticulum (SR) and binds to the contractile apparatus triggering muscle contraction (1). Relaxation occurs as Ca2+ is pumped back into the SR by the sarco-endoplasmic reticulum Ca2+ adenosine triphosphatase
Explanation:
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