The colonies of recombinant bacteria app...

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

Non - recombinant bacteria containing betagalactosidase

Insertional inactivation of alpha - galactosidase in non - recombinant bacteria

Insertional inactivation of alpha - galactosidase in recombinant bacteria

Inactivation of glycosidase enzyme in recombinant bacteria

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How is genetic recombination achieved in bacteria?

Appearance of antibiotic-resistant bacteria is an example of

During insertional inactivation, the presence of a chromogenic substrate gives blue coloured colonies if the plasmid in the bacteria does not have an insert. The blue colour is produced by the enzyme 1) α -glucosidase 2) restriction endonuclease 3) β -galactosidase 4) Taq polymerase

If a person obtains transformants by inserting a recombinant DNA within the coding sequence of enzyme beta-galatosidase, he will separate out recombinants from non-recombinats by which of the following observations ?

In blue white colony selection method cells with non recombinant DNA develop _____ colonies .

A bacterial cell was transformed with a recombinant DNA that was generated using a human gene. However, the transformed cells did not produce the desired protein. Reason could be (a) Human gene may have intron which bacteria cannot process (b) Amino acid codons for humans and bacteria are different (c) Human protein is formed but degraded by bacteria (d) all of the above

An advantage of using yeasts rather than bacteria as recipient cells for the recombinant DNA of eukaryotes is that yeasts can

You are provided with the mixture of transformed bacteria having recom-binant plasmids in which a foreign DNA is linked at the sits of tetracy- cline resistance and non transformed bacteria . How will you select the recombinant plasmids from the mixture ?

SARAS PUBLICATION-BIOTECHNOLOGY AND ITS APPLICATIONS-EXAMPLE

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