Question

Biology A Semester Exam
1 of 401 of 40 Items
Question
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)
Responses

deoxyribose
deoxyribose

carbon
carbon

leucine
leucine

guanine
GPT-4o mini
The correct response is **guanine**. Guanine is one of the nitrogenous bases found in DNA (along with adenine, cytosine, and thymine). Deoxyribose is a sugar, carbon is a chemical element, and leucine is an amino acid.

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