Question

cytosine and adenine
What three components make up a nucleotide?
a phosphate, a deoxyribose, and a nitrogenous base
a phosphate, an enzyme, and a nitrogenous base
a deoxyribose, a phosphate, and an enzyme
an enzyme, a deoxyribose, and a nitrogenous base

Answer 1

A nucleotide is made up of three components: a phosphate group, a sugar (which can be ribose in RNA or deoxyribose in DNA), and a nitrogenous base (such as adenine, cytosine, guanine, or thymine in DNA; uracil replaces thymine in RNA).

The correct answer to your question is:

**a phosphate, a deoxyribose, and a nitrogenous base.**