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9.Biotechnology Principals and Process
medium
What is true for plasmid?
A
Found in viruses
B
Contains genes for vital activities
C
Part of nuclear chromosome
D
Widely used in gene transfer
Solution
Plasmid is an exrtachromosomal genetic element of $DNA$ that is capable of replicating independently of host chromosome. It forms the basis of many cloning vectors used in genetic engineering.
Standard 12
Biology