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Degeneration of a genetic code is attrib...

Degeneration of a genetic code is attributed to the `:`

A

entrire codon

B

third member of a codon

C

first member of a codon

D

seconds member of a codon

Text Solution

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The correct Answer is:
B
It has seen variously that one tRNA molecule codes for more than one amino acid molecules . This is possible due to the improper pairing of third codon with the first anticodon of tRNA.
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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-MOLECULAR BASIS OF INHERITANCE-EXERCISE
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  2. What would happen if in a gene encoding a polypeptide of 50 amino acid...

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  3. Degeneration of a genetic code is attributed to the :

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  5. Which one of the following triplet codes, is correctly matched with it...

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  7. Which of the following reunites the exon segments after RNA splicing ?

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  8. Nucleus of a donor embryonal cell/ somatic cell is transferred to a an...

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  9. Which statements is correct for bacterial transduction ?

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  10. In DNA percentage of thymine is 20, then what is the percentage of gua...

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  11. Jacob and Monod studied lactose metabolism in E. coli and proposed ope...

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  12. In E.coli during lactose metabolism, repressor binds to :

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  13. Sequence of which of the following is used to know the phylogeny ?

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  14. In negative operon

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  15. In which direction mRNA is synthesises on DNA template ?

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  16. Gene and cistron words are sometimes used synonymously because

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  17. E. coli about to replicate was placed in a medium containing radioacti...

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  18. Due to discovery of which of the following in 1980 ' s the evolution w...

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  19. Who proposed the 'Signal hyothesis' meant for the biosynthesis of secr...

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  20. During replication of DNA , its two strands separate. Each of these se...

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