Which of the following is a nucleoside?
Adenosine, Adenylic acid, Cytosine
Adenosine, Guanosine, Cytidine
Cytidylic acid, adenosine, Adenylic acid
Guanylic acid, Cytosine, Adnosine
The substance that acts as connecting link between two generations is
Uridine monophosphate is found in
Which one of the following is not applicableto $RNA$ ?
What is the function of histones in $DNA$ packaging ?
State the physical structure of DNA.