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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 deoxyribose

C

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

D

Both ( B ) and ( C )

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The correct Answer is:
D
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USHA PUBLICATION-MOLECULAR BASIS OF INHERITANCE-EXERCISE
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  2. Who amongst the following scientists had no contribution the developme...

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

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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. The polymerase that has 5'-3' exonuclease property is known as ..........

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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 ...

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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. Fill In The blank : Protein synthesis is translation of ………………..

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  20. Fill In The blank : Information in DNA in the nucleus is transferred t...

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