Read the statements 1 and 2. Choose the correct option:
Statement 1: RNAi take place in all prokaryotic and eukaryotic organisms as a method ofcellular defence.
Statement 2: RNA interference is a pre-translational process.

Both statements are correct.

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Statement I correct, statement 2 incorrect.

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Both statements are incorrect.

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Statement-1 incorrect, statement 2 correct.

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Solution

The correct option is C Statement-1 incorrect, statement 2 correct.
RNAi method involves the use of the single-stranded complementary RNA segment to silence the gene of the parasite. This is the common method for defense in the eukaryotic organisms. This is a pre-translational process in which the ssRNA binds to the mRNA and forms the hybrid structure which cannot be read by the polymerase.
Thus, the correct answer is option D.

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