$DNA$ was first discovered by
Beadle and Tatum
Watson and Crick
Friedrich Miescher
Kornberg
The chemical nature of chromosome is as follows
The given figure shows the structure of nucleosome with their parts labelled as $A,\, B$ and $C$. Identify $A,\,B$ and $C$
Full Forms : $NHC$
Group the following as nitrogenous bases and nucleosides:
Adenine, Cytidine, Thymine, Guanosine, Uracil and Cytosine.
The two strands of $DNA$ are held together by