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Choose the right combination of components required to set up a polymerase chain reaction (PCR) from the following:
(a)Template DNA, two primers, dNTPs & DNA ligase.
(b)Template DNA, two primers, NTPs & DNA ligase.
(c)Template RNA, two primers, NTPs & Taq DNA polymerase.
(d)Template DNA, two primers, dNTPs & Taq DNA polymerase.

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Important Questions on Biotechnology - Principles and Processes
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Read the following four statements (A-D). Which are the two statements having mistakes?
(A) Retroviruses are not used as a vector in making transgenic animals by r-DNA technology.
(B) Restriction enzymes are used in isolation of DNA from other macro-molecules.
(C) Downstream processing is one of the steps of r-DNA technology.
(D) Disarmed pathogen vectors are also used in transfer of r-DNA into the host.

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Ti-plasmid is used for making transgenic plants. It is obtained from

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The enzymes commonly used in genetic engineering are

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Taq polymerase enzyme is used in

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Genetic engineering would not have been possible if one of these were absent.

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Select the correct option having correct labelling in above diagram.

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In EcoRI, What does 'l' part is it stands for

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DNA segment cleaved by EcoRI is
