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Following is given a randomly arranged list of events that occur at neuromuscular junction to trigger muscle contraction.
(i) Receptor sites on sarcolemma
(ii) Nerve impulse
(iii) Release of Ca+2 from sarcoplasmic reticulum
(iv) The neurotransmitter acetylcholine is released
(v) Sarcomere shortern
(vi) Synaptic cleft
(vii) Spread of impulses over sarcolemma on TT-tubules
Which of the following gives the correct sequence of these steps?
(i) Receptor sites on sarcolemma
(ii) Nerve impulse
(iii) Release of Ca+2 from sarcoplasmic reticulum
(iv) The neurotransmitter acetylcholine is released
(v) Sarcomere shortern
(vi) Synaptic cleft
(vii) Spread of impulses over sarcolemma on TT-tubules
Which of the following gives the correct sequence of these steps?
- a)(ii)→(iv)→(i)→(vi)→(vii)→(iii)→(v)
- b)(ii)→(iv)→(vi)→(i)→(vii)→(iii)→(v)
- c)(i)→(ii)→(iii)→(iv)→(v)→(vi)→(vii)
- d)(vii)→(vi)→(v)→(iv)→(iii)→(ii)→(i)
Correct answer is option 'B'. Can you explain this answer?
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Following is given a randomly arranged list of events that occur at ne...
a. As a nerve impulse( action potential) from a motor neuron arrives via its axon at the neuromuscular junction, the vesicles in the endplate release a neurotransmitter, the acetylcholine, into the nerve-muscle gap (synaptic cleft).
b. Acetylcholine depolarizes the postsynaptic muscle cell's sarcolemma and set up an action potential in the latter.
c. The action potential spreads deep into the interior of the muscle fibre via T- tubules and Z lines.
d. The incoming action potential changes the permeability of the SR, causing to release calcium ions.
e. The calcium ions bind to troponin molecules.
f. The latter change shape and shift position.
So, the correct answer is '(ii) →(iv)→(vi)→(i)→(vii)→(iii)→(v)'.
b. Acetylcholine depolarizes the postsynaptic muscle cell's sarcolemma and set up an action potential in the latter.
c. The action potential spreads deep into the interior of the muscle fibre via T- tubules and Z lines.
d. The incoming action potential changes the permeability of the SR, causing to release calcium ions.
e. The calcium ions bind to troponin molecules.
f. The latter change shape and shift position.
So, the correct answer is '(ii) →(iv)→(vi)→(i)→(vii)→(iii)→(v)'.
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Following is given a randomly arranged list of events that occur at neuromuscular junction to trigger muscle contraction.(i) Receptor sites on sarcolemma(ii) Nerve impulse(iii) Release of Ca+2from sarcoplasmic reticulum(iv) The neurotransmitter acetylcholine is released(v) Sarcomere shortern(vi) Synaptic cleft(vii) Spread of impulses over sarcolemma on TT-tubulesWhich of the following gives the correct sequence of these steps?a)(ii)→(iv)→(i)→(vi)→(vii)→(iii)→(v)b)(ii)→(iv)→(vi)→(i)→(vii)→(iii)→(v)c)(i)→(ii)→(iii)→(iv)→(v)→(vi)→(vii)d)(vii)→(vi)→(v)→(iv)→(iii)→(ii)→(i)Correct answer is option 'B'. Can you explain this answer?
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Following is given a randomly arranged list of events that occur at neuromuscular junction to trigger muscle contraction.(i) Receptor sites on sarcolemma(ii) Nerve impulse(iii) Release of Ca+2from sarcoplasmic reticulum(iv) The neurotransmitter acetylcholine is released(v) Sarcomere shortern(vi) Synaptic cleft(vii) Spread of impulses over sarcolemma on TT-tubulesWhich of the following gives the correct sequence of these steps?a)(ii)→(iv)→(i)→(vi)→(vii)→(iii)→(v)b)(ii)→(iv)→(vi)→(i)→(vii)→(iii)→(v)c)(i)→(ii)→(iii)→(iv)→(v)→(vi)→(vii)d)(vii)→(vi)→(v)→(iv)→(iii)→(ii)→(i)Correct answer is option 'B'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Following is given a randomly arranged list of events that occur at neuromuscular junction to trigger muscle contraction.(i) Receptor sites on sarcolemma(ii) Nerve impulse(iii) Release of Ca+2from sarcoplasmic reticulum(iv) The neurotransmitter acetylcholine is released(v) Sarcomere shortern(vi) Synaptic cleft(vii) Spread of impulses over sarcolemma on TT-tubulesWhich of the following gives the correct sequence of these steps?a)(ii)→(iv)→(i)→(vi)→(vii)→(iii)→(v)b)(ii)→(iv)→(vi)→(i)→(vii)→(iii)→(v)c)(i)→(ii)→(iii)→(iv)→(v)→(vi)→(vii)d)(vii)→(vi)→(v)→(iv)→(iii)→(ii)→(i)Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Following is given a randomly arranged list of events that occur at neuromuscular junction to trigger muscle contraction.(i) Receptor sites on sarcolemma(ii) Nerve impulse(iii) Release of Ca+2from sarcoplasmic reticulum(iv) The neurotransmitter acetylcholine is released(v) Sarcomere shortern(vi) Synaptic cleft(vii) Spread of impulses over sarcolemma on TT-tubulesWhich of the following gives the correct sequence of these steps?a)(ii)→(iv)→(i)→(vi)→(vii)→(iii)→(v)b)(ii)→(iv)→(vi)→(i)→(vii)→(iii)→(v)c)(i)→(ii)→(iii)→(iv)→(v)→(vi)→(vii)d)(vii)→(vi)→(v)→(iv)→(iii)→(ii)→(i)Correct answer is option 'B'. Can you explain this answer?.
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Following is given a randomly arranged list of events that occur at neuromuscular junction to trigger muscle contraction.(i) Receptor sites on sarcolemma(ii) Nerve impulse(iii) Release of Ca+2from sarcoplasmic reticulum(iv) The neurotransmitter acetylcholine is released(v) Sarcomere shortern(vi) Synaptic cleft(vii) Spread of impulses over sarcolemma on TT-tubulesWhich of the following gives the correct sequence of these steps?a)(ii)→(iv)→(i)→(vi)→(vii)→(iii)→(v)b)(ii)→(iv)→(vi)→(i)→(vii)→(iii)→(v)c)(i)→(ii)→(iii)→(iv)→(v)→(vi)→(vii)d)(vii)→(vi)→(v)→(iv)→(iii)→(ii)→(i)Correct answer is option 'B'. Can you explain this answer?, a detailed solution for Following is given a randomly arranged list of events that occur at neuromuscular junction to trigger muscle contraction.(i) Receptor sites on sarcolemma(ii) Nerve impulse(iii) Release of Ca+2from sarcoplasmic reticulum(iv) The neurotransmitter acetylcholine is released(v) Sarcomere shortern(vi) Synaptic cleft(vii) Spread of impulses over sarcolemma on TT-tubulesWhich of the following gives the correct sequence of these steps?a)(ii)→(iv)→(i)→(vi)→(vii)→(iii)→(v)b)(ii)→(iv)→(vi)→(i)→(vii)→(iii)→(v)c)(i)→(ii)→(iii)→(iv)→(v)→(vi)→(vii)d)(vii)→(vi)→(v)→(iv)→(iii)→(ii)→(i)Correct answer is option 'B'. Can you explain this answer? has been provided alongside types of Following is given a randomly arranged list of events that occur at neuromuscular junction to trigger muscle contraction.(i) Receptor sites on sarcolemma(ii) Nerve impulse(iii) Release of Ca+2from sarcoplasmic reticulum(iv) The neurotransmitter acetylcholine is released(v) Sarcomere shortern(vi) Synaptic cleft(vii) Spread of impulses over sarcolemma on TT-tubulesWhich of the following gives the correct sequence of these steps?a)(ii)→(iv)→(i)→(vi)→(vii)→(iii)→(v)b)(ii)→(iv)→(vi)→(i)→(vii)→(iii)→(v)c)(i)→(ii)→(iii)→(iv)→(v)→(vi)→(vii)d)(vii)→(vi)→(v)→(iv)→(iii)→(ii)→(i)Correct answer is option 'B'. Can you explain this answer? theory, EduRev gives you an
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