Polymerase Chain Reaction in Biochemistry
A PCR cycle consists of

three steps, initiation, elongation and termination
three steps, primer annealing, elongation and termination
three steps, denaturation, initiation and elongation
three steps, denaturation, primer annealing and elongation

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Polymerase Chain Reaction in Biochemistry
Restriction maps

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

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Polymerase Chain Reaction in Biochemistry
Southern blotting involves

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

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