Watson and Crick are known for their discovery that $DNA$
Is a single stranded helix
Contains deoxyribose only
Is a double stranded helix
Synthesizes $rRNA$
The two strands of a double helix model of $DNA$ are held together by hydrogen bonds between
The association of histone $H_1$ with a nucleosome indicates that
Cytidine is a
The chemical nature of chromosome is as follows
Nucleotides are building blocks of nucleic acids. Each nucleotide is a composite molecule formed by