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DNA is a polymer of nucleotides which ar...

DNA is a polymer of nucleotides which are linked to each other by `3'-5'` phosphodiester bond . To prevent polymerisation of nucleotides, which of the following modifications would you choose ?

A

Replace purine with pyrimidines

B

Remove/Replace 3' OH group in deoxy ribose

C

Remove/Replace 2' OH group with some other group in deoxyribose

D

Both 'B' and 'C'`

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Verified by Experts

The correct Answer is:
B
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GRB PUBLICATION-GENE EXPRESSION AND REGULATION-NCERT Corner(Exemplar Problems)
  1. The human chromosome with the highest and least number of gens in the...

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  2. Who amongst the following scientists had no contribution in the deve...

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  3. DNA is a polymer of nucleotides which are linked to each other by 3'-5...

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  4. Discontinuous synthesis of DNA occurs in one strand, because

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  5. Which of the following steps in transcription is catalysed by RNA poly...

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  6. Control of gene experssion takes place at the level of

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  7. Regulatory proteins are the accessory proteins that interact with RNA ...

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  8. Which was the last human chromosome to be completely sequenced ?

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  9. Which of the following are the functions of RNA

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  10. While analysing the DNA of an organism a total number of 5386 nucleoti...

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  11. In some viruses, DNA is synthesised by using RNA as template . Such a ...

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  12. If Meselson and Stahl's experiment is continued for four generations i...

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  13. If the sequence of nitrogen bases of the coding strand of DNA in a tra...

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  14. The RNA polymerase holoenzyme transcribes

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  15. If the base sequence of a codon in mRNA is 5'-AUG-3', the sequence of ...

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  16. The amino acid attaches to the tRNA at its

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  17. To initiate translation, the mRNA first binds to

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  18. In E. coli, the lac operon gets switched on when

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  19. A diagrammatic representation of the central dogma in molecular biolog...

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  20. Diagrammatic view of a dinucleotide is given below. Identify A,B and D...

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