MCQ
Which one of the following system constitutes the primary producers
- AHigher plants
- BAlgal phytoplanktons
- CBryophytes
- ✓All the above
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$I.$ Polymerase Chain Reaction $(PCR)$ is a technique of synthesizing multiple copies of the desired gene in vitro
$II.$ This technique was developed by Kary Mullis in $1985$
$III.$ A single $PCR$ amplification cycle involves three basic steps; denaturation, annealing and extension
Which of the statement given above are correct?