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What is PCR

PCR amplifies...

Question

PCR amplifies DNA strands in an exponential rate.

A

False

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B

True

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Solution

The correct option is B True

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Q. Select the option that correctly identifies the given statements as true or false.
I. The instrument used for PCR is called thermocycler.
II. The copies of DNA synthesised by PCR are not identical and each copy formed has certain variations.
III. PCR amplifies DNA strands at an exponential rate.

Q. Why does PCR amplify DNA strands so rapidly?

Q. If the “annealing” step is missed during PCR, what would be its effect on the entire process?
I. DNA strands will not separate
II. Primers will not attach
III. DNA Polymerase would not work
IV. DNA will not extend

Q. In PCR, short primers are added to single stranded DNA molecules in a test tube and the appropriate enzymes are included to make a copy of the DNA. Which of the following primers is needed for copying the single stranded DNA sequence

5^{'} T A C G G T A G G T C 3^{'}

Q. Assertion :Taq Polymerase is involved in PCR technique Reason: This enzyme remain active during the high temperature including denaturation of double stranded DNA.

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