Question

Pyrimidine bases contain 4 carbon atoms and purine bases contain 5 carbon atoms. How many carbon atoms are there in nucleotide containing cytosine?
a)8
b)9
c)10
d)11

Answer 1

Answer:

b) 9

Explanation:

Purine + pyrimidine = total nucleotide

5+4=9

Answer 2

Explanation:

option B is the correct answer