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UGA,UAG and UAA are called termination c...

UGA,UAG and UAA are called termination codons because use they `:`

A

terminate anticodon

B

do not specify any amino acid

C

are present at the beginning of m-RNA

D

indicate initiation of polypeptide chain

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The correct Answer is:
B
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In mRNA , AUG is the initiating codons and UAA, UAG and UGA are terminatinng codona . Therefore, the polypeptide cannot be synthesised beyond any of these triplets to the end of mRNA, then which one of the following mRNA can be translated completely?

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GRB PUBLICATION-TRANSCRIPTION AND TRANSLATION-GENETIC CODE
  1. The terminator codons are :

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  2. During protein synthesis in an organism at one point the process comes...

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  3. UGA,UAG and UAA are called termination codons because use they :

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  4. Which one of the following is a nonsense codon ?

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  5. Which of the following base sequences acts as a terminal codon during ...

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  6. The termination signal for protein synthesis comes from :

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  7. Which of the following is not a nonsense (stop ) codon ?

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  8. Consider the following statements : Assertion (A) : Amber codon is a...

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  9. Which of the following codon is related to UAA and UAG functions ?

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  10. All the terminator codons begin with the nucleotide of :

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  11. What would happen if in a gene encoding a polypeptide of 50 amino acid...

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  12. Which one of the following pairs is correctly matched with regard to t...

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  13. naturally occurring coding strand composed of alternating C and U resi...

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  14. Dr. Khorana and his colleagues synthesized an RNA molecule with repeat...

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  15. Which of the following group of codons code for amino acid serine ?

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  16. Identify the correct match betweent he codons and coding functions :

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  17. Which of the following statements about genetic code is correct ?

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  18. Triplet codon in genetics is :

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  19. The genetic code :

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  20. A degneracy of genetci code was found by :

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