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Multiple Choice
Which of the following are the components of an ATP molecule?
A
Guanine, ribose, and three phosphate groups
B
Adenine, ribose, and three phosphate groups
C
Cytosine, ribose, and two phosphate groups
D
Adenine, deoxyribose, and two phosphate groups
Verified step by step guidance
1
Understand the structure of ATP (Adenosine Triphosphate), which is a nucleotide consisting of three main components: a nitrogenous base, a sugar, and phosphate groups.
Identify the nitrogenous base in ATP. ATP contains adenine, which is a purine base. This distinguishes it from other bases like guanine, cytosine, and thymine.
Recognize the sugar component in ATP. ATP contains ribose, a five-carbon sugar, which is part of the nucleotide structure. This differentiates it from deoxyribose, which is found in DNA nucleotides.
Determine the number of phosphate groups in ATP. ATP has three phosphate groups attached to the ribose sugar, which is crucial for its role in energy transfer within cells.
Combine these components to identify the correct structure of ATP: adenine, ribose, and three phosphate groups. This combination is unique to ATP and is essential for its function as an energy carrier in biological systems.