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Lactose ( lac ) operon is regulated by :...

Lactose ( lac ) operon is regulated by :

A

Lac repressor only

B

Lac repressor and CAP - cGMP complex

C

Lac repressor and CAP - cAMP complex

D

CAP - cAMP and CAP - cGMP complex

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The correct Answer is:
D
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USHA PUBLICATION-MOLECULAR BASIS OF INHERITANCE-EXERCISE
  1. Gene regulation governing lactose Operon E. Coli that involves the Lac...

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  2. In sea urchin DNA , which is double stranded , 17 of the bases were sh...

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  3. Lactose ( lac ) operon is regulated by :

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  4. The enzyme peptidyl transferase of prokaryotes resides in :

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  5. The tRNA anticodon 3' - UAC - 5' will pair with the mRNA codon :

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  6. In a DNA strand the nucleotides are linked together by :

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  7. A nucleoside differs from a nucleotide . It lacks the :

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  8. Both deoxyribose and ribose belong to a class of sugars called :

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  9. The fact that a purine base always paired through hydrogen bonds with ...

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  10. The net electric charge on DNA and histones is :

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  11. The promoter site and the terminator site for transcription are locate...

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  12. Which of the following statements is the most appropriate for sickle c...

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  13. One of the following is true with respect to AUG :

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  14. The first genetic material could be :

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  15. With regard to mature mRNA in eukaryotes :

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  16. The human chromosome with the highest and least number of genes in the...

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  17. Who amongst the following scientists had no contribution the developme...

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  18. DNA is a polymer of nucleotides which are linked to each other by 3' -...

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  19. Discontinuous synthesis of DNA occurs in one strand because :

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  20. Which of the following steps in transcription is catalysed by RNA poly...

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