Multiple Choice
Which statement best describes ATP in the context of nucleic acids?
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1. Introduction to Biochemistry
Nucleic Acids
Multiple Choice
Which set of molecules correctly describes the three components of adenosine triphosphate (ATP)?
A
Adenine, deoxyribose, and three phosphate groups
B
Guanine, ribose, and three phosphate groups
C
Adenine, ribose, and two phosphate groups
D
Adenine, ribose, and three phosphate groups
Verified step by step guidance1
Identify the three main components of ATP by breaking down its name: Adenosine Triphosphate. 'Adenosine' refers to a nucleoside composed of a nitrogenous base and a sugar, while 'Triphosphate' indicates three phosphate groups attached.
Recall that the nitrogenous base in ATP is adenine, which is a purine base commonly found in nucleotides involved in energy transfer.
Recognize that the sugar in ATP is ribose, a five-carbon sugar with a hydroxyl group on the 2' carbon, distinguishing it from deoxyribose which lacks this hydroxyl group.
Understand that ATP contains three phosphate groups linked in a chain, which are critical for its role in storing and transferring energy within cells.
Combine these components to describe ATP as consisting of adenine (the base), ribose (the sugar), and three phosphate groups, which matches the correct molecular composition.
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