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Mention the indusers in Lac and tryptoph...

Mention the indusers in Lac and tryptophan operon concept.

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In the complete absence of expression of lac operon, permease will not be synthesised which is essential for transport of lactose from medium into the cells. And if lactose cannot be transported into the cell. then it cannot act as inducers hence, cannot relieve the lac operon from its repressed state
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TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-B
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  2. Differentiate between nucleotide and nucleoside.

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  3. Mention the indusers in Lac and tryptophan operon concept.

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  4. Expand VNTR. Mention its application.

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  5. Define DNA polymerisation. Mention the role of REN and DNA ligase.

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  6. Name the accepted model of plasma membrane. Who proposed it?

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  8. Differentiate between Exons and Introns.

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

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

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  11. A non-haemophilic couple was infomed by their doctor that there is pos...

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

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

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

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

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

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

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

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  19. Define Genetic drift. Mention the types.

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

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