Which of the following is not a DNA base?
To answer the question right you should know the structure of DNA. The building blocks of the molecule consist of three groups: phosphates, sugars and nitrogen. Most of you know that these blocks link into a chain in order to form a strand.
The intruder in our list is a part of RNA so if you had good marks in biology it was quite easy for you to pick the right item.
More Info:
www.genome.gov