Multiple choice

Deoxyribonucleic acid (DNA) consists of simple sugar phosphate and four nitrogen bases. Which of the following groups of nitrogen bases is present in a DNA molecule?

  1. Adenine, guanine, thymine, uracil

  2. Cytosine, guanine, thymine, uracil

  3. Adenine, thymine, guanine, cytosine

  4. Adenine, cytosine, thymine, uracil

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

 Adenine, thymine, guanine, cytosine are groups of nitrogen bases present in a DNA molecule.