neet ug 2021

What is the advantage of stirred-tank bioreactors? (A) It purifies the product (B) It ensures anaerobic conditions in the culture vessel (C) It ensures availability of oxygen throughout the process (D) All of the above

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Identify the INCORRECT statement with respect to restriction enzymes. (A) They recognize only palindromic nucleotide sequences. (B) They have endonuclease activity. (C) They are generally isolated from viruses. (D) They produce the same kind of sticky ends in different DNA molecules.

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Taq polymerase is required for which of the following step(s) in a PCR reaction? (A) Denaturation of template DNA (B) Extension of primer end on the template DNA (C) Annealing of primers to template DNA (D) All of the above

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During which step of the polymerase chain reaction do primers bind to ssDNA? (A) Polymerisation (B) Annealing (C) Denaturation (D) Transformation

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