Which of the following bond is not present in $DNA$?
$\beta-1^{\prime}-9-N-g$ lycosidic bond
$3^{\prime}-5^{\prime}$ phosphodiester bond
$\beta-1^{\prime}-1- N - glycosidic$ bond
$\beta-1^{\prime}-2-N$-glycosidic bond
A gene is said to be dominant, if
The genes, which are confined to differential region of $Y$ chromosome only, are called
Cyclic adenosine monophosphate was discovered by
Spliceosomes are not found in cells of