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The example of inducible operon is...

The example of inducible operon is

A

trp operon

B

lac operon

C

Both (a) and (b)

D

None of these

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The correct Answer is:
B
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Lac operon is

Define an operon, giving an example, explain an inducible operon.

[A]: The Lac operon is an example of induc- ible system. [R]: When Lactose, the inducer is present in the medium, it binds to the repressor making it ineffective.

Which of the following "is"//"are" the examples of induced radioactivity?

operon system | | Inducible operon | | Repressible system

Inducible operon system usually accurs in (i) ___ pathways. Nutrient moleculses serve as (ii) ______ to stimulate production of the enzymes necessary for their breakdown. Genes for inducible operon are usually switched (iii)_____ and the repressor is synthesised in an (iv)____ form.

Type OF gene | | Operon system | | Inducible operon

In negative operon

Define operon. Describe the regulation of inducible system with the help of lac-operon.

ARIHANT NEET-GENE, ITS EXPRESSION AND REGULATION-Chapter Exercise (A) Taking it together (Assorted questions of the Chapter for Advanced Level Practice
  1. The minimum length of cistron in base pair, which synthesis a polypept...

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  2. The transcription of cluster of genes coding for protein is controlled...

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  3. The example of inducible operon is

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  4. In trp operon, the corepressor is

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  5. How many nucleotides are found in one spiral of B-DNA?

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  6. When mRNA is synthesised on DNA, the unwanted DNA regions are removed ...

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  7. Because most of the amino acids are represented by more than one codon...

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  8. Gene controls

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  9. The sequences of nucleotides in yeast, a little away from the starting...

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  10. Aporepressor is inactive repressor in Tryptophan repressible operon sy...

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  11. During protein synthesis, a ribosome moves from 5' to 3' end of mRNA t...

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  12. The operator gene of lac operon is ' turned on ' when lactose molecule...

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  13. During transcriptions, the RNA that forms from DNA is

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  14. Name the RNA type which helps in the processing of rRNA in the nucleus

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  15. The DNA strand that has the polarity 3'-5' and acts as a template, is ...

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  16. Process of codon recognition occur during

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  17. The ribosome acts as a catalyst for the formation of

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  18. For initiation of translation, the ribosome first binds to

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  19. Regulation of lac operon by repressor is referred to as -

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  20. mRNA is also known as

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