Multiple Choice
In the context of nucleic acids and cellular energetics, ATP (adenosine triphosphate) is best classified as which type of biomolecule?
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1. Introduction to Biochemistry
Nucleic Acids
Multiple Choice
In the context of nucleic acids and cellular energy, which set correctly lists the three structural components of an ATP molecule?
A
Adenine, ribose, and three phosphate groups
B
Guanine, ribose, and three phosphate groups
C
Adenine, deoxyribose, and three phosphate groups
D
Adenine, ribose, and two phosphate groups
Verified step by step guidance1
Recall that ATP (adenosine triphosphate) is a nucleotide composed of three main structural components: a nitrogenous base, a sugar, and phosphate groups.
Identify the nitrogenous base in ATP, which is adenine, a purine base commonly found in nucleotides involved in energy transfer.
Recognize the sugar component in ATP, which is ribose, a five-carbon sugar with a hydroxyl group on the 2' carbon, distinguishing it from deoxyribose found in DNA.
Note that ATP contains three phosphate groups linked in a chain, which are critical for its role in storing and transferring energy within the cell.
Combine these components to confirm that the correct set describing ATP's structure is adenine (base), ribose (sugar), and three phosphate groups.
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