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

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Polymerase Chain Reaction in Biochemistry
Restriction maps

None of these
does not allow comparison between DNA molecules
allows comparison between DNA molecules but requires to determine nucleotide sequence
allows comparison between DNA molecules without the need to determine nucleotide sequence

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Polymerase Chain Reaction in Biochemistry
Southern blotting involves

electrophoresis of DNA molecules followed by incubation
electrophoresis of DNA molecules and then blotting the separated DNA bands followed by incubation
electrophoresis of RNA molecules and then blotting the separated RNA bands followed by incubation
electrophoresis of DNA molecules and then blotting the separated RNA bands followed by incubation

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