PHYSIOLOGY
MUSCLE CONTRACTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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ATP ____
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attaches to the myosin filament.
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Provides energy for the movement of the myosin filament.
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Is required for muscle contractions.
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Releases part of its energy as heat
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Both b and c
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Explanation:
Detailed explanation-1: -Answer and Explanation: ATP is called the energy currency of the cell because it is the molecule that all living organisms use for energy. Cells need energy to power the various chemical reactions that are going on continuously, and they use ATP to store and then produce the energy for these reactions.
Detailed explanation-2: -In the first step, glucose ⇢ glucose-6-phosphate, ATP is used and gets converted into ADP. Similarly, in the third step, fructose-6-phosphate ⇢ fructose-1, 6-biphosphate, ATP is used. Thus, two ATPs are used in the first three steps of glycolysis. Hence, to split the glucose 2 molecules of ATPs are used.
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