Multiple Choice
In the context of nucleic acids, ATP (adenosine triphosphate) is best classified as which type of macromolecule building block?
1. Introduction to Biochemistry
Nucleic Acids
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In the context of nucleic acids, which statement best describes ATP (adenosine triphosphate)?
A
ATP is a macromolecule because it is a long polymer of repeating nucleotides.
B
ATP is a nucleotide (a small molecule) composed of adenine, ribose, and three phosphate groups; it is not a macromolecule.
C
ATP is a macromolecule because it is a phospholipid with a hydrophobic tail and a phosphate head group.
D
ATP is a macromolecule because it is a protein enzyme that catalyzes phosphorylation reactions.
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