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(a) State the arrangement of different g...

(a) State the arrangement of different genes that in bacteria is referred to as operon.
(b) Describe the role of lactose in lac operon.
(c) Draw a schematic labelled illustratiomof lac operon in a switched on state.

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Explore conceptually related problems

(a) State the arrangement of different genes that in bacteria is referred to as operon. (b) Describe the role of lactose in lac operon. (c) Draw a schematic labelled illustration of lac operon in a switched on state.

Give a labelled schematic representation of "lac operon" in its "Switched off" position.

Explain the role of lactose as an inducer in a lac operon

How is lac operon ‘switched on’ in an E. coli cell?

In E. coli, the lac operon gets switched on when

In E. coli, the lac operon gets switched on when

The sequence of structural genes in lac operon is

Sketch a schematic diagram of lac operon in switched on position. How is operon switched off? Explain.

Identify the INCORRECT statement from the following with reference to lac operon.

ICSE-MOLECULAR BASIS OF INHERITANCE-PRACTICE QUESTIONS ( LONG ANSWER TYPE QUESTIONS )
  1. Genetic material is DNA and not protein. How did Griffith prove this?

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  2. Give any six features of the humen genome.

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  3. What are the advantages and probable risks of genetic engineering?

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  4. What are retroviruses? How do they modify the central dogma in molecul...

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  5. What are three types of RNA molecules which perform different function...

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  6. Which one of these has the shape of a clover leaf in two dimensional s...

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  7. How is each RNA related in the information flow during protein synthes...

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  8. (a) State the arrangement of different genes that in bacteria is refer...

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  9. (a) State the arrangement of different genes that in bacteria is refer...

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  10. How was bacterial transformation proved experimentally? Who has perfor...

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  11. Who performed ‘Blender experiment’ with respect to DNA? What was the o...

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  12. Where do transcription and translation occur inside a living cell? Bri...

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  13. Illustrated below is a DNA segment, which constitutes a gene. Ex...

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  14. Illustrated below is a DNA segment, which constitutes a gene. Nam...

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  15. Illustrated below is a DNA segment, which constitutes a gene. Ex...

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  16. Illustrated below is a DNA segment, which constitutes a gene. Ho...

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  17. Look at the figure depicting lac operon of E. coli. What could b...

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  18. Look at the figure depicting lac operon of E. coli. Name the ind...

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  19. Describe how the lac operon operates, both in the presence and absence...

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  20. How are the structural genes inactivated / activated in lac operon in ...

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