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

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

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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-B
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  2. Name the accepted model of plasma membrane. Who proposed it?

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  3. What are the functions of (i) methylated guanasine cap, (ii) poly-A"ta...

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  4. Differentiate between Exons and Introns.

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  5. Comment on the utility of variability in number of tandem repeats duri...

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  6. Write the full of VNTR. How is VNTR different from 'Probe' ?

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  8. In a particular plant species majority of the plants bear purple flowe...

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  9. A cross between a red flower bearing plant and a white flower bearing ...

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  10. In a typical monohybrid cross the F(2)-population ratio is written as ...

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  11. Work out a cross to find the genotype of a tall pea plant. Name the ty...

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  12. (a) Write the specific features of the genetic code AUG (b) Explain...

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  13. Arrange the following groups of plants in an ascending evolutionary s...

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  14. While creation and presence of variation is directionless, natural sel...

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  15. Define Genetic drift. Mention the types.

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  16. Who proposed ''survival of the fittest'' theory?

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  17. In which plant did Mendel perform his experiments? Why did he choose i...

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  18. Define migration. Mention the types of migration in fishes.

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  19. How do darwin' s finches illustrate adaptive radiation ?

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  20. List the two main propositions of Oparin and Haldane.

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