Polymerase Chain Reaction in Biochemistry
How many ds DNA molecule can be produced, which comprise precisely the target region in double strand form during 4th cycle of PCR?

Three ds DNA molecule
Two ds DNA molecule
Eight ds DNA molecule
Four ds DNA molecule

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Polymerase Chain Reaction in Biochemistry
Specialized transduction occurs when

the bacteriophage always incorporates at the same position in the bacterial chromosome
the bacteriophage incorporates randomly in the bacterial chromosome
None of these
the bacteriophage never incorporates into the bacterial chromosome

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