Multiple Choice
In the context of bioenergetics, which set correctly describes the three main structural parts of an ATP molecule?
Review 2: Biosignaling, Glycolysis, Gluconeogenesis, & PP-Pathway
Practice - Bioenergetics 1
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In bioenergetics, which statement best describes whether ATP stores energy?
A
ATP can only store energy after it is converted into cyclic AMP, which is the cell’s primary energy-storage molecule.
B
ATP is the main long-term energy storage molecule in animals, analogous to triacylglycerols, because its phosphate bonds are very stable.
C
ATP does not meaningfully “store energy” in its phosphate bonds; energy is released when ATP hydrolysis is coupled to favorable changes such as formation of more stable products and relief of electrostatic repulsion.
D
ATP stores usable energy directly in its terminal phosphate bond, and breaking that bond alone releases the stored energy regardless of the reaction context.
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