Multiple choice

A molecule of ATP is structurally similar to a molecule of

  1. RNA molecule

  2. DNA molecule

  3. amino acid

  4. fatty acid
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A Correct answer
Explanation

ATP (Adenosine Triphosphate) is structurally similar to RNA molecules because both contain a ribose sugar (not deoxyribose like DNA) and the nitrogenous base adenine. ATP can be considered a modified RNA nucleotide with three phosphate groups instead of one. DNA contains deoxyribose sugar, amino acids and fatty acids are completely different molecular structures.

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