Biology

Question

Which term best completes this sentence?

Cytosine is a

(a)

(b)

(c)

(d)

nitrogenous acid

protein

nitrogen-rich base

nucleotide

that forms a pair with guanine (G).

Answer

(c) Nitrogen-rich base

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Cytosine is a nitrogen-rich base that forms a pair with guanine (G). Nitrogenous acid, protein, and nucle...