Multiple Choice
ATP is a good source of energy for a cell because it:
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3. Energy
Activated Carriers
Multiple Choice
In the context of activated carriers, which molecule is considered the primary energy currency of the cell?
A
NADH (nicotinamide adenine dinucleotide, reduced form)
B
ATP (adenosine triphosphate)
C
DNA (deoxyribonucleic acid)
D
GTP (guanosine triphosphate)
Verified step by step guidance1
Understand the concept of activated carriers: these are molecules that store and transfer energy within the cell to drive various biochemical reactions.
Recognize that NADH and GTP are important activated carriers involved in specific processes like redox reactions and protein synthesis, respectively, but they are not the universal energy currency.
Recall that ATP (adenosine triphosphate) is the molecule that stores energy in its high-energy phosphate bonds and is used universally by cells to power most energy-requiring processes.
Identify that DNA is not an energy carrier but rather the molecule that stores genetic information.
Conclude that ATP is considered the primary energy currency of the cell because it provides readily accessible energy for cellular activities.
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