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Regulation of lac operon by repressor is...

Regulation of lac operon by repressor is referred to as -

A

Positive regulation

B

Nagative regulation

C

Both (A) and (B)

D

None

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The correct Answer is:
B
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Regulatio of lac operon by repressor is referred to as -

Assertion :- Regulation of lac opernon by repressor is referred to as positive resultion. Reason : Refulation of lac opernon can also be visualised as regulation of enzyme synthesis by its product.

Read the following four statements (A-D) ltbr gt In transcription, adenosine pair uracil Regulation of lac operon by repressor is refferred to as positive regulation The human genome has approximately 50,000 genes ltbr gt Haemophilia is sex - linked recessive disease How many of the above statements are right

How many of these statements are correct ? (i) In transcription , adenosine pairs with uracil. (ii) Regulation of lac operon by a repressor is referred to as positive regulation . (iii) The human genome has approximately 50,000 genes. (iv) DNA fingerprinting utilizes VNTRs and RFLP.

Regulation of lac operon by repressor is called

Read statements a-d . (a) In transcription, adenosine pairs with uracil (b) Regulation of lac operon by repressor is positive regulation (c) Human genome has approximate 50,000 genes (d) Haemophilia is sex-linked recessive disease How many of above statement are correct ?

Lac operon is

Repressor of lac-operon

The Lac Operon

MOTION-MOLECULAR BASIS OF INHERITANCE-EXERCISE - 1
  1. Who explained the operon model the first time

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  2. The accessibility of promote regions of prokaryotic DNA by RNA polymer...

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

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  4. Which is incorrect

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  5. Which is the primary step for regulation of gene expression.

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  6. The sequence of structural genes in lac operon is

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  7. DNA finger printing was invented by :-

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  8. Which one of the following pairs of terms/names mean one and the same ...

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  9. What is the first step in the Southern Blot technique

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  10. Which step does not involve in DNA finger printing

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  11. The technique of transferring DNA fargment separated on agarose gel to...

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  12. Western blotting is used for the identification of :-

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  13. Which of the following techniques are used in analyzing restrication f...

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  14. The approximate number of genes contained in the genome of Kalpana Cha...

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  15. The total number of nitrogenous bases in human genome is estimated to ...

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  16. The transfer of protein from electophoretic gel to nitrocellulose memb...

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  17. The method of DNA fingerprinting involves the use of :

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  18. Which of the following is not associated with HGP-

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  19. In density gradient centrifugation, the bulk DNA forms while satelite ...

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  20. Which step is not correct in DNA finger printing-

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