Question

Following is given a randomly arranged list of events that occur at neuromuscluar junction to trigger mucle contraction.
(i) Receptor sites on sarcolemma
Nerve impulse
(iii) Release of Ca+2 from sarcoplasmic reticulum
(iv) The neurotransmitter acetylcholine is released
(v) Sarcomere shorten (vi) Synaptic cleft
(vii) Spread of impulses over sarcolemmna on T-tubules Which of the following gives the correct sequence of these steps?

Answer 1

Answer:

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Explanation:

(ii) - (iv) - (vi) - (i) -(vii) -(iii) -(v)

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Answer 2

Answer:

The order is (2) - (4) - (1) - (7) - (6) - (3) - (5).

Hopes it helps