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What does lac refer to in what we call t...

What does lac refer to in what we call the lac operon?

A

Lactose

B

Lactase

C

Lac insect

D

The number 1,00,000

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The correct Answer is:
A
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ALLEN-GENETICS & MOLECULAR BASIS OF INHERITANCE AND MUTATION-EXERCISE-I (CONCEPTUAL QUESTIONS)
  1. The end prodict of metabolic panthway may bind a repressor to make th...

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  2. Which is true for repressible operon :-

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  3. What does lac refer to in what we call the lac operon?

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  4. This is not produced by E.coli in the lactose medium :

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  5. A functional complex comprising a cluster of genes including structura...

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  6. Functioning of structural gene is controlled by:

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  7. Operon model' for gene regulation in bacteria was proposed by

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  8. The accessibility of promoter regions of bacterial DNA in many cases ...

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  9. Regulation of lac operon by repressor is called

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  10. Which is incorrect

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

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  12. The sequence of structural genes in lac operon is

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  13. The concept of sudden genetic change which breeds true in a species is...

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  14. Mutation is

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  15. An exchange of segments between the two non homologous chromosomes is ...

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  16. Which of the following can be called a mutation :-

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  17. Mutations are commonly (a) Dominant (b) Codominant (c) Recessive ...

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  18. The earliest record of point mutation is :-

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  19. Short legged variety of sheep is an example of :-

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  20. Genetic mutations occur in :-

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