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Multiple Choice
Where is the energy primarily stored in an ATP molecule?
A
In the hydrogen bonds
B
In the ribose sugar
C
In the phosphate bonds
D
In the adenine base
Verified step by step guidance
1
Understand the structure of an ATP molecule: ATP (adenosine triphosphate) consists of an adenine base, a ribose sugar, and three phosphate groups.
Recognize the role of phosphate groups: The three phosphate groups are linked together by phosphoanhydride bonds, which are high-energy bonds.
Identify where energy is stored: The energy in an ATP molecule is primarily stored in the phosphoanhydride bonds between the phosphate groups.
Consider the energy release: When ATP is hydrolyzed to ADP (adenosine diphosphate) and an inorganic phosphate, energy is released due to the breaking of one of these high-energy phosphate bonds.
Relate to biological processes: This energy release is crucial for many cellular processes, providing the energy needed for reactions and mechanical work within the cell.