If these are the choices: A. No other biomolecules are present <span>B. Protein </span> <span>C. Lipid </span> <span>D. Carbohydrate </span> My answer is D. Carbohydrate.
A nucleotide has three parts. These parts are 1) <span>nucleobase aka nitrogenous base, 2) a five-carbon sugar or pentose sugar (either ribose or 2-deoxyribose), and 3) one or more phosphate groups.
D. Carbohydrate is under the 2) pentose sugar part of the nucleotide.</span>
