| 1. Plasmid?Small circular DNA?Gene cloning |
| 2. Cosmid?Restriction enzyme Identification of genes |
| 3. Vector?Restriction enzyme?Isolation of genes Gene transfer?Vector?Gene carrier Two components in above table show correct combination of their character and use. |
A) 1 and 4
B) 2 and 4
C) 1 and 3
D) 2 and 3
Correct Answer: A
Solution :
Plasmids are small circular DNA other than bacterial chromosome these are used in gene cloning (genetic engineering). Vectors are the carrier molecules which can transfer genes and are widely used in genetic engineering programmes.
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