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The colonies of recombinant bacteria app...

The colonies of recombinant bacteria appear white in contrast to blue colonies of non-re-combinant bacteria because of

A

Inactivation of glycosidase enzyme in recombinant bacteria

B

Nonrecombinant bacteria contain beta galactosidase

C

Insertional inactivation of alpha-galactosidase in nonrecombinant bacteria

D

Insertional inactivation of alpha-galactosidase in recombinant bacteria.

Text Solution

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The correct Answer is:
D
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DINESH PUBLICATION ENGLISH-PRINCIPLES AND APPLICATIONS OF BIOTECHNOLOGY-RQ
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  2. Match the lists and find the correct option

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  3. The colonies of recombinant bacteria appear white in contrast to blue ...

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  4. Which is not correctly matched organisms and its cell wall degrading e...

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  5. DNA fragments generated by the restriction endonucleases in a chemical...

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  6. During the process of isolation of DNA, chilled ethanol is added to

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  7. Which one of the following vectors is used to replace the defective ge...

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  8. RNA interference involves

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  9. Which cleaves DNA at specific sites producing stickly ends

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  10. The technique used to make numerous copies of a specific segment of DN...

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  11. In PCR, Taq polymerase is used between

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  12. YAC is

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  13. Recent techniques used for separating fragments of DNA is

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  14. At which temperature a DNA molecule is denatured by heat in PCR

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  15. Which statement is suitable for tet^(R) gene

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  16. E. coli having plasmids for production of human insulin is cultured in...

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  17. EcoRI cleaves DNA strands to produce

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  18. Match the column and find the correct answer

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  19. In the technique of recombinant insulin production, the genes for alph...

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  20. Which of the following not a vector quanitty ?

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