MCQ
Bacteria whose cell has only a curve/comma is
- ✓Vibrio
- BCocci
- CSpirilli
- DBacilli
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$I$. Abiotic agencies
$II$. Biotic agencies
$III$. Insects only
Select the correct option for the given question
Assertion $(A):$
Polymerase chain reaction is used in DNA amplification
Reason $(R):$
The ampicillin resistant gene is used as a selectable marker to check transformation
In the light of the above statements, choose the correct answer from the options given below :
