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Earn 100

Select the correct name of the scientist and the organism on which they have discovered some biological phenomenon:
(a)F. Griffith – E. coli
(b)Hershey and Chase – Bacteriophages
(c)Meselson and Stahl – Diplococcus pneumoniae
(d)Jacob and Monod – Pisum sativum

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Important Questions on Gene: Its Nature, Expression and Regulation
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During splicing, the exons are joined and the enzyme which catalyses this reaction is

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Lac-operon consists of

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One of the following is major requirement for DNA fingerprinting:

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double stranded DNA will have …… base pairs:

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Synthesis of leading and lagging strand require

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Elongation of the RNA polynucleotide chain always takes place:

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What was the key finding from Griffith's experiments using live and heat-killed pathogenic bacteria?

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Which of the following enzymes is not produced by E.coli during lactose catabolism?
