alleryIn recombinant DNA technology, plasmids are commonly used as:
ARestriction enzymes for cutting DNA
BSelection markers for antibiotic resistance
CVectors for carrying foreign genes into hosts
DPrimers used in PCR amplification
Answer & Solution
Correct answer: C. Vectors for carrying foreign genes into hosts
Plasmids are small circular extra-chromosomal DNA molecules in bacteria.
They are commonly used as VECTORS to carry foreign genes into host cells (typically E. coli).
Plasmid pBR322 is a textbook example.
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