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Gene and cistron words are sometimes us...

Gene and cistron words are sometimes used synonymously because

A

One cistron contains many genes

B

One gene contains many cistrons

C

One gene contains one cistron

D

One gene contains no cistron

Text Solution

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The correct Answer is:
C
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ALLEN-GENETICS & MOLECULAR BASIS OF INHERITANCE AND MUTATION-EXERCISE-I (CONCEPTUAL QUESTIONS)
  1. Translation refers to the process of -

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  2. Khorana & his collegeous synthesized an RNA molecule with repeating se...

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  3. Gene and cistron words are sometimes used synonymously because

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  4. A gene containing multiple exons and at least one intron is termed as ...

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  5. A gene that takes part in synthesis of polypeptide is

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  6. In tryptophan operon

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  7. The end prodict of metabolic panthway may bind a repressor to make th...

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  8. Which is true for repressible operon :-

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

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

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

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  12. Functioning of structural gene is controlled by:

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

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

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  15. Regulation of lac operon by repressor is called

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  16. Which is incorrect

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

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  18. The sequence of structural genes in lac operon is

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

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  20. Mutation is

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