Biology

The correct answer is: A.Adenine, ribose, and three phosphate groups.

Explanation:

ATP (Adenosine Triphosphate) is a molecule that consists of three key components:

1.Adenine: A nitrogenous base, which is also found in nucleotides like DNA and RNA.

2.Ribose: A five-carbon sugar, which forms the backbone of the molecule.

3.Three phosphate groups: These phosphate groups are attached to the ribose sugar and are the source of ATP's energy. When one of these phosphate bonds is broken, energy is released, which can be used by the cell.

Thus, the correct structure of ATP is adenine + ribose + three phosphate groups.

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