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In regulation of gene expression in prok...

In regulation of gene expression in prokaryotes
Lactose acts as the suppreessor for gene expression
Tryptophan acts as the inducer for gene expression
Regulator gene is the one that produces the repressor molecule

A

A alone correct

B

B alone correct

C

C alone correct

D

B and A are correct

Text Solution

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The correct Answer is:
c
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ERRORLESS -MOLECULAR BASIS OF INHERITANCE-Molecular Basis Of Inheritance
  1. Two or more codons coding for one amino acid

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  2. The sequence of structural genes in lac operon is

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  3. In regulation of gene expression in prokaryotes Lactose acts as the...

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  4. Which of the following group of codons code for amino acid serne

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  5. Which conserverd motifs are found in E.coli genes

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  6. Differentiation of organs and tissues in a develping organism, is asso...

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  7. Select the incorect statemetn(s)

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  8. Out of 64 condon, the number of condns with GGG is

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  9. Select the correct bases of DNA,RNA and amino acid of beta chain resul...

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  10. Which of the following amino acid has hydroxyl methyl gruop as its gr...

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  11. The lac operon consists of

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  12. Which one is diaminodiacrboxlic amino acid

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  13. Whihc one of the following statement is not correct

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  14. Select the two statements out of the four (A-D) given below about lac ...

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  15. The one aspect whihc ins not a salient feature of genetic code, is its...

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  16. How many effective codons are there for the synthesis of twenty amino ...

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  17. Dr. Hargovind Khorana deuced the code for which of the following amino...

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  18. Given below is a sample of a portion of DNA strand giving the base seq...

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  19. The inducer for switching 'on' the lac operon in bacteria is

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  20. Operon contains

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