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Polymerase Chain Reaction in Biochemistry

Polymerase Chain Reaction in Biochemistry
Transformation means

F+ and F- strains of bacteria
formation of a pilus
acquiring DNA from the bacterial cell environment
plasmid containing a F factor

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Polymerase Chain Reaction in Biochemistry
PCR can be used to amplify a specific fragment of DNA from which of the following?

A drop of blood
All of these
A hair follicle
A fragment of skin

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Polymerase Chain Reaction in Biochemistry
Double stranded DNA denaturation with specified limit of temperature is

irreversible reaction
reversible reaction
none of these
either (a) or (b)

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Polymerase Chain Reaction in Biochemistry
PCR amplifies millions of copies of

short chain RNA
the entire genome (all the DNA in a sample)
both (a) and (b)
a short fragment of DNA

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Polymerase Chain Reaction in Biochemistry
DNA fragments in a restriction digest can be separated by electrophoresis in

agarose gel
poly acrylamide
none of these
both (a) and (b)

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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?

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

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