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1. | Circular DNA used for cloning is called? | |
A. | DNA polymerase | |
B. | RNA polymerase | |
C. | Phagosome | |
D. | Plasmid | |
Answer: Option D | |
Explanation: | |
Plasmid is the circular bacterial DNA, which carries genes which are useful but not essential for survival. These are said to be extrachromosomal DNA. |
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