MCQ
In a food web, each successive trophic level has
- AIncreased total energy
- ✓Less total energy content
- CMore total energy content
- DNon estimated energy content
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$R$ : It has a pair of peripheral doublet and a pair of centrally located microtubules.
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 :