A pyrimidine that is absent in RNA is:
A pyrimidine that is absent in RNA is:
Explanation
Pyrimidine: A nitrogenous base similar to benzene (a six-membered ring) and includes cytosine, thymine, and uracil as bases used for DNA or RNA.
Adenine is a purine nucleobase
Adenine, guanine, and cytosine are common nitrogenous bases present in both DNA and RNA
while
Thymine is present only in DNA
ND19-3-2023