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

leucine
leucine

carbon
carbon

deoxyribose
deoxyribose

guanine

Answer 1

The correct response is **guanine**. Guanine is one of the nitrogenous bases found in nucleotides that make up DNA and RNA. Leucine is an amino acid, carbon is a chemical element, and deoxyribose is a sugar.