An example for template-independent DNA polymerase is (A) DNA Polymerase I (B) RNA polymerase (C) Terminal deoxynucleotidyl transferase (D) DNA polymerase III

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Determine the correctness or otherwise of the following Assertion (a) and the Reason (r): Assertion: Somatic embryogenesis in plants is a two-step process comprising of embryo initiation followed by embryo production. Reason: Embryo initiation is independent of the presence of 2,4-dichlorophenoxyacetic acid whereas embryo production requires a high concentration of 2,4-dichlorophenoxyacetic acid. (A) both (a) … Read more

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Which one of the following DOES NOT belong to the domain of Bacteria? (A) Cyanobacteria (B) Proteobacteria (C) Bacteroids (D) Methanobacterium

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An immobilized enzyme being used in a continuous plug flow reactor exhibits an effectiveness factor (η) of 1.2. The value of η being greater than 1 could be apparently due to (A) substrate inhibited kinetics with external pore diffusion limitation (B) internal pore diffusion limitation (C) sigmoidal kinetics (D) unstability of the enzyme

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Differentiate between: (i) PCR and Gene Cloning. (ii) Batch Culture and Continuous Culture.

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How is DNA sequencing performed using Sanger’s dideoxy technique? Give one limitation of this technique.

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Explain how ‘Dolly’ was created. What is its importance in the field of biotechnology?

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Write the names of any four important centres for biotechnology in India.

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How are the diseases cystic fibrosis and albinism caused?

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Mention the chief characteristics of embryonic stem cells. Give any two uses of such cells.

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