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Three codons on mRNA are not recognized ...

Three codons on mRNA are not recognized by transfer RNA. What are they? What is the general term used for them? What is their significance in protein synthesis?

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These codons are UAA, UAG and UGA. The general name given to these codons is nonsense codons. These codons do not specify any amino acid but the termination of polypeptide chain is signalled by them.
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OSWAAL PUBLICATION-MOLECULAR BASIS OF INHERITANCE -TOPIC-2: Short Answer Type Question- I
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  4. Comment on the utility of variability in number of tandem repeats duri...

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  5. Give an account of mRNA.

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  6. Differentiate between Exons and Introns.

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  7. How is a polypeptide chain synthesis terminated during protein synthes...

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  8. What are structural genes? Name the three structural genes present in ...

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  9. What do you understand by UTR ? Mention its role in translation.

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  10. Enumerate the goals of human genome project.

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  11. Three codons on mRNA are not recognized by transfer RNA. What are they...

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  12. Why is it essential that tRNA binds to both an amino acid and an mRNA ...

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  13. What will these DNA codons be translated into TAC, AAA, ATC? (b) Wh...

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  14. Two petitioner fathers filed case against a lady claiming to be the fa...

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  15. Draw the structure of the initiator tRNA adaptor molecule.

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  16. Why is tRNA called an adaptor molecule?

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  17. One of the codons on mRNA is AUG. Draw the structure of tRNA adaptor m...

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  18. Explain the dual function of AUG codon. Give the sequence of bases it ...

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  19. How can DNA segments, separated by gel electrophoresis, be visualized ...

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  20. What is satellite DNA in a genome ? Explain their role in DNA fingerpr...

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