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What type of molecules are ATP and GTP?

  1. Carbohydrates

  2. Lipids

  3. Nucleic Acids

  4. Nucleotides

The correct answer is: Nucleotides

ATP and GTP are nucleotides, which are the building blocks of nucleic acids. They are not carbohydrates or lipids, which are different types of macromolecules. While ATP and GTP are composed of nucleic acids, they are not considered nucleic acids themselves as they are single molecules, not long chains like DNA and RNA. Therefore, the most accurate answer is D Nucleotides.