PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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When Ca is release from SR by AP how it will diffuse through the cell membrane of SR?
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Voltage gated calcium channels
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Calcium pump
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Na/ k pump
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Glucose channel
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Explanation:
Detailed explanation-1: -Unlike release, calcium reuptake into the SR is constitutively active and requires coupling of the energy of ATP hydrolysis to calcium transport.
Detailed explanation-2: -Depolarization of the sarcolemma (muscle membrane) caused by nerve stimulation causes calcium ions to be released from the sarcoplasmic reticulum.
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