C3Y4T1O1S1I1N1E1
13 points
CYTOSINE is validvalid
a component of DNA and RNA [n CYTOSINES]
one of the nitrogen-containing bases forming nucleotides in deoxyribonucleic acid [n -S]
a component of DNA and RNA [n CYTOSINES]
one of the nitrogen-containing bases forming nucleotides in deoxyribonucleic acid [n -S]