(a) Name the selectable markers in the cloning vector pBR322 ? Mention the role they play.
(b) Why is the coding sequence of an enzyme b-galactosidase a preferred selectable marker in comparison to the ones named above ?

Name the selectable markers in the cloning vector pBR322? Mention the role of they play.

Why is the coding sequence of enzyme beta -galactosidase a preferred selectable marker in comparison to coated plate method?

Name and explain the role of a selectable marker in the vector pBR322.

Name the enzyme used as an alternate selectable marker.

(a) Identify the selectable markers in the diagram of E. Coli vectior shown above . ( b) How is the coding squence of alpha - galactosidase consider a better markers than the ones identified by you in the diagram ? Explain.

In the E.coli cloning vector pBR 322, the number of selectable marker is

Why is it necessary to have 'selectable marker'in a cloning vector?

(a) Identify the selectable maekes in the diagram in the diagram of E. Coli vectior shown above . ( b) How is the coding squence of alpha - galactosides consider a batter markes than the ones identified by you in the diagram ? Explain.