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Byju's Answer
Standard XII
Biology
Amino Acids
During the co...
Question
During the contraction of muscles, the ATP molecules bind with the active site of
A
Myosin filaments
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B
Myofibrils
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C
Nerve endings
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D
Actin filaments
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Solution
The correct option is
A
Myosin filaments
In the process of muscle contraction, the ATP molecules bind with the myosin head to break the actin-myosin bridge. This helps in relaxing the muscle.
So, the correct answer is (A).
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Similar questions
Q.
Which molecule has the ATP binding site needed for muscle contraction?
Q.
During muscular contraction, the myosin head binds to the exposed active sites on actin to form a?
Q.
Name the ion responsible for masking active sites for myosin for cross-bridge activity during muscle contraction.
Q.
Name the ion responsible for unmasking of active sites for myosin for cross-bridge activity during muscle contraction
Q.
During muscle contraction, the correct sequence of events is:
(A) Binding of myosin head to exposed active site of actin forming the cross-bridge by utilising the energy from hydrolysis of ATP
(B) Binding of
C
a
+
+
with troponin of actin filaments and thereby removing the masking of active sites for myosin
(C) Releasing the ADP and Pi from myosin so it can go back to its relaxed state
(D) Release of acetylcholine at neuromuscular junction which generates action potential in the sarcolemma
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