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Molecular Basis Of Inheritance

Question
CBSEENBI12002472
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The process of RNA interference has been used in the development of plants resistant to 

  • fungi

  • viruses

  • insects

  • nematodes

Solution

D.

nematodes

The process of RNA interference (RNA) has been used in the development of plants resistant to nematodes like Molodegyne incognitia, which infects the roots of tobacoo plants and causes a great reduction in yied. RNAi takes place in all eukaryotic organisms as a method of cellular defense. This method involves silencing of a specific mRNA due to a complementary dsRNA molecule that binds to and prevents translation of the mRNA (sliencing).

Some More Questions From Molecular Basis of Inheritance Chapter

List the number of base pairs in :

(i) lambda bacteriophage

(ii) E.coli and

(iii) haploid content of human DNA.

Comment two chains of DNA have antiparallel polarity.

What is the difference between DNAs and DNAase ?

Which was first genetic material ?

Suggest one evidence to prove that RNA was first genetic material.

Why was RNA unstable ?

What made DNA more preferrable as genetic material ?

Process of replication is completed in how much time in E.coli ?

What is average rate of polymerization ?

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