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The colonies of recombinant bacteria app...

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

A

insertional inactivation of `alpha`-galactosidase in non-recombinant bacteria

B

insertional inactivation of `beta`-galactosidase in recombinant bacteria

C

inactivation of glycosidase enzyme in bacteria

D

non-recombinant bacteria containing `beta`-galactosidase

Text Solution

Verified by Experts

The correct Answer is:
b

The colonies of recombinant of recombinant bacteria appear white in contrast to blue colonies of non-recombinant bacteria due to inactivation of beta-galactosidase enzyme in recombinant bacteria.
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  9. Which one is a true statement regarding DNA polymerase used in PCR

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  10. When bacterial chromosome is attached to plasmid, this is called

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  11. Cohen and Boyer isolated an antibiotic resistance gene, by cutting out...

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  12. Restriction enzyme Eco RI cuts the DNA between bases G and A only when...

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  14. Cloning gene is process where:

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  15. Enzyms that cleaves nucleic acids within the polynucleotide chain is k...

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  16. The restriction enzyme(s) used in recombinant DNA technology that make...

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  17. The source of Taq polymerase used in PCR is a :

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  18. A clone is a

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