STD 12 - 9. biotechnology principlas and process — BIOLOGY STD 12 Science — Question
Bihar BoardEnglish MediumSTD 12 ScienceBIOLOGYSTD 12 - 9. biotechnology principlas and process1 Mark
MCQ
An extrachromosomal $DNA$, which can be used as vector in gene cloning is called
A
Transposon
B
Intron
C
Exon
✓
Plasmid
✓
Answer
Correct option: D.
Plasmid
d Plasmids are extrachromosomal molecules of $DNA$ that replicate independently of the bacterial chromosomes. They are normally closed, circular, super coiled. They are used as a vector for cloning and genetic engineering.
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