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What are the functions of (i) methyl...

What are the functions of
(i) methylated guanine cap?
(ii) poly-A 'tail' in a mature on RNA ?

Text Solution

Verified by Experts

Methylated Guanine cap helps in binding of mRNA to smaller ribosomal sub-unit during initiation of translation. Poly-A tail provides longevity to mRNA's life. Tail length and longevity of mRNA are positively correlated.
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TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-A
  1. What are the functions of (i) methylated guanine cap? (ii) poly...

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  2. Which Mendel's law of inheritance is universally acceptable and withou...

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  3. Name the parts 'A' and 'B' of the transcription unit given below.

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  4. Name the components 'a' and 'b' in the nucleotide with a purine, given...

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  5. Why hnRNA is required to undergo splicing?

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  6. State any one reason to explain why RNA viruses mutate and evolve fast...

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  7. How is the length of DNA usually calculated?

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  8. How does HIV differ from bacteriophage?

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  11. Name the event during cell division that results in the gain or loss o...

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  12. Mention the contribution of genetic maps in human genome project.

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  13. Name one autosomal dominant and one autosomal recessive. Mendelian dis...

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  14. A human being suffering from Down's Syndrome shows trisomy of 21^(st) ...

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  17. "Genes contain the information that is required to express a particula...

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  18. How are alleles of particular gene differ from each other? Explain its...

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  19. For the experssion of traits genes provide only the potentiality and t...

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