Nucleic acids are composed of which of the following:I. Nitrogenous baseII. SugarIII. Phosphate

Question

Quizplus · Accepted Answer

I, II, and III only. Nucleic acids are comprised of a nitrogenous base, a sugar, and a phosphate.
Key Takeaway: Both DNA and RNA are comprised of smaller subunits called nucleotides. Each nucleotide is composed of a nitrogenous base (purine or pyrimidine), a sugar (ribose or 2'-deoxyribose), and a phosphate group. In addition to DNA and RNA, nucleotides such as ATP and GTP are essential sources of energy.

Nucleic Acids Are Composed of Which of the Following:I