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Choose the right combination of components required to set up a polymerase chain reaction (PCR) from the following:

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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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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