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Question
Biology
Posted 7 months ago
Why is ATP an effective energy transfer molecule in the cell?
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Answer from Sia
Posted 7 months ago
Answer
ATP is an effective energy transfer molecule in the cell because of its ability to store and release energy efficiently through the hydrolysis of its phosphate bonds.
Solution
a
Structure: ATP (adenosine triphosphate) consists of an adenine base, a ribose sugar, and three phosphate groups. The bonds between these phosphate groups are high-energy bonds
b
Energy Release: When ATP is hydrolyzed to ADP (adenosine diphosphate) and an inorganic phosphate (PiP_i), a significant amount of energy is released, which can be used for cellular processes. The reaction is: ATPADP+Pi+energyATP \rightarrow ADP + P_i + \text{energy}
c
Reversibility: ATP can be regenerated from ADP and PiP_i through cellular respiration processes, making it a renewable energy source within the cell
Key Concept
ATP's high-energy phosphate bonds
Explanation
The high-energy bonds between the phosphate groups in ATP store significant amounts of energy. When these bonds are broken, the energy released is used to power various cellular activities, making ATP an efficient energy transfer molecule.

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