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NEET Biology question

BiologyLocomotion and MovementNEET

I. Ca2+ ions pumps back to sarcoplasmic reticulum II. Z-lines back to their original position III. Masking of actin filament IV. Relaxation of muscles Arrange the above given steps in the sequence of event from first to last

Answer: (B)

Solution

Relaxation begins when Ca2+ ions are actively pumped back into the sarcoplasmic reticulum (I), which allows tropomyosin to re-mask the actin filament's

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Question ID VK-117056