$Y$ gene in lac operon responsible for .....
Codes for $\beta$ - galactosidase
Primaryly responsible for hydrolysis of the disaccharide
Encodes for transacetylase.
Codes for permease.
Satellite $DNA$
Franklin and Wilkins showed that $DNA$
Separation of the two chromatids of a chromosome takes place in mitosis during
It has been found in many cells that ribosomes occur in chains along $mRNA$ molecules. What is the advantage of this arrangement as compared to a situation in which ribosomes occur singly