How is ATP molecule used by the cells?
Correct answer: D. All of these
- A. Synthesis of complex compounds
- B. Active transport
- C. Muscular contraction
- D. All of these
Explanation
The correct answer is d) All of these. ATP is the universal energy currency of the cell, and it is utilized in numerous cellular activities that require energy. It is involved in the synthesis of complex compounds by providing the energy for bond formation. It powers active transport mechanisms by enabling the movement of substances against their concentration gradients. Moreover, ATP is essential for muscular contractions, facilitating the interaction between actin and myosin filaments. Each of these processes relies on ATP to proceed efficiently, highlighting its critical role in cellular energetics.
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About Bioenergetics
Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.
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