Class 12th Biology 2012 Set3 Delhi Board Paper Solution

Question 22

Draw a schematic sketch of pBR 322 plasmid and label the following in it:
(a) Any two restriction sites.
(b) Ori and rop genes.
(c) An antibiotic resistant gene.

Answer

pBR322 

schematic sketch of pBR 322 plasmid

The Restriction sites mentioned in the figure are Hind III, EcoR I, BamH I, Sal I, Pvu II, Pst I, Cla I (any two can be considered)

Antibiotic resistant genes: ampR and tetR