Multiple choice

Which among the following molecule cannot be methylated?

  1. Azacytosine

  2. Adenine

  3. Guanine

  4. Cytosine

  5. Uracil

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

It prevents methylation: ACT cannot be methylated because in the fifth position of cytosine carbon is replaced by nitrogen.