Adjacent nucleotides in a polynucleotide chain are joined by
$N-$glycosidic bond
Phosphodiester bond
$O-$glycosidic bond
Hydrogen bond
A single stranded $DNA $ molecule is the genetic material of bacteriophage
The diagram shows an important concept in the genetic implication of $DNA$. Fill in the blanks $A$ to $C$.
If Adenine makes $30\, \%$ of the $DNA$ molecule, what will be the percentage of Thymine, Guanine and Cytosine in it?
The element absent in $RNA$ is
Which of the following is not found in $DNA$