Question

Arrange the following events of muscle contraction in the sequence :
(i) Generate an action potential in the sarcolemma
(ii) Form a cross bridge
(iii) Release a neurotransmitter (Acetylcholine)
(iv) Release of calcium ions in sarcoplasm
(v) Pulls the attached actin filaments towards the centre of $"A"$ " band
(vi)Remove the masking of active sites for myosin
The correct option is:-

• A. $i\to ii\to iii\to iv\to v\to vi$
• B. $iii\to iv\to i\to ii\to vi\to v$
• C. $iii\to i\to iv\to ii\to v\to vi$
• D. $iii\to i\to iv\to vi\to ii\to v$

Answer 1

Answer: (D)

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