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Question

RNA interference which is employed in making tobacco plant resistant to Meloidegyne incognita is essentially involved in preventing the process of


A

translation of mRNA

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B

transcription

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C

replication of DNA

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D

splicing of hnRNA

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Solution

The correct option is A

translation of mRNA


Several nematodes infect a wide variety of plants and animals including human beings. A nematode known as Meloidegyne incognita infects the roots of tobacco plants and reduces the production of tobacco. Thus, to prevent this infection a strategy is adopted known as RNA interface (RNAi) which takes place in all eukaryotic organisms as a method of cellular defence. This method involves silencing of mRNA due to complementary dsRNA molecule that binds to it and prevents the process of translation of mRNA.


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