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Khorana & his collegeous synthesized an ...

Khorana & his collegeous synthesized an RNA molecule with repeating sequence of `U G N_(2-)` bases. The RNA with "UGU GUG UGU GUG" produced at tetral peptide with alternating sequences of cystein and valine. This prove that codon for cystein & valine is

A

UGG, GUU

B

UUG, GGU

C

UGU & GUG

D

GUG & UGU

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The correct Answer is:
C
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Dr. Khorana and his colleagues synthesized an RNA molecule with repeating sequence of UGN bases (UG UG UG UG UG UG). IT produced a tetrapeptide with alternating sequence of cysteine and valine. It proves that codons for cysteine and valine are :

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MOTION-MOLECULAR BASIS OF INHERITANCE-EXERCISE - 1
  1. Transfer of genetic information from a polymer of nucleotide to a poly...

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  2. Translation refers to the process of -

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  3. Khorana & his collegeous synthesized an RNA molecule with repeating se...

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  4. Gene and cistron words are sometimes used synonymously because

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  5. A gene containing multiple exons and at least one intron is termed as ...

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  6. Gene which is responsible for the synthesis of a polypeptide chain is ...

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  7. Which is true for typtophan operon :-

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  8. The end prodict of metabolic panthway may bind a repressor to make th...

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  9. Which is true for repressible operon :-

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  10. What does ''lac'' refer to in what we call the lac operon ?

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  11. Which of the following is produced by E-Coli in the lactose operon.

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  12. A functional complex comprising a cluster of genes including structura...

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  13. Functioning of structural gene is controlled by:

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  14. Who explained the operon model the first time

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  15. The accessibility of promote regions of prokaryotic DNA by RNA polymer...

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  16. Regulation of lac operon by repressor is referred to as -

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  17. Which is incorrect

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  18. Which is the primary step for regulation of gene expression.

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  19. The sequence of structural genes in lac operon is

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  20. DNA finger printing was invented by :-

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