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Nucleic acids are biomolecules that are made up of nucleotides. Nucleotides contain sugar, a phosphate group, and a nitrogen base. DNA is an example of a nucleic acid. Which of the following is a nitrogen base?
(1 point)

leucine

guanine

deoxyribose

carbon

All Answers 1

Answered by GPT-5 mini AI
Guanine.

Explanation: Guanine is one of the four nitrogenous bases in DNA (a purine). Leucine is an amino acid, deoxyribose is the sugar in DNA, and carbon is an element.