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Lac operon in E.coil, is induced by...

Lac operon in E.coil, is induced by

A

'I'' gene

B

Promoter gene

C

`beta` - galactosides

D

Lactose

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The correct Answer is:
A
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Iac operon in E.coil

Lac operon is

The operon is a unit of gene expression. Lac operon in E. coli is an inducible control.

In E.coli, lac operon is induced by

In Escherichia coli, lac operon is induced by :

[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.

Lac operon consists of

In the function of the lac operon in E-coli, the lac genes z, y, a are transcribed in the presence of lactose because

Lac operon is related with :

AAKASH INSTITUTE-MOLECULAR BASIS OF INHERITANCE -ASSIGNMENT (SECTION -C) Previous Years Questions
  1. The 1992 Noble Prize for medicine was awarded to Edmond H. Fischer ...

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  2. Initiation codon in eukaryotes

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  3. Lac operon in E.coil, is induced by

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  4. There are special proteins that help to open up DNA double helix in fr...

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  5. In protein synthesis the polymerization of amino acids involves three ...

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  6. Anticodon is an unpaired triplet of bases in an exposed position of

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  7. An environmental agent that triggers transcription from an operon is a...

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  8. In slpit genes, the coding sequences are called

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  9. The lac operon is an example of :

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  10. If the DNA condons are ATG ATG ATG and a cytosine base is inserted at...

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  11. The wild type E. coli cells are growing in normal medium with glucose....

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  12. If the sequences of bases in DNA is ATTCGATG, then the sequence of bas...

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  13. Which of the following serves as an stop codon ?

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  14. The codons causing chain termination (stop codons) are

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  15. DNA synthesis can be specifically measured by estimating the incorpora...

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  16. Which of the following step of translation does not consume a high ene...

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  17. DNA elemaets, which can switch their position , are called

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  18. Sequence of which of the following is used to know the phylogeny ?

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  19. Genes that are involved in turning on or off the transcription of set ...

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  20. In operon concept, regulator gene functions as:

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