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TLS Online TPP Program

#Question id: 2628

Choose true statement about lac repressor;

#XL - R Botany

  1. Lac repressor binds as a dimer.

  2. located 400 bp downstream and 90 bp upstream of the primary operator.

  3. Each operator is contacted by only one of these subunits.

  4. The different oligomeric form alters the mechanism of DNA recognition.

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TLS Online TPP Program

#Question id: 13029

#XL - S Microbiology

Mutation at Vir E and Vir B can repectively cause :
TLS Online TPP Program

#Question id: 13030

#XL - S Microbiology

The mutation in Vir F will cause the interference in –
TLS Online TPP Program

#Question id: 13031

#XL - S Microbiology

Use of alkaline solution in southern blotting helps in :
TLS Online TPP Program

#Question id: 13032

#XL - S Microbiology

In SDS-PAGE, protein sample is first treated with detergent sodium dodecyl sulfate (SDS), in order to
TLS Online TPP Program

#Question id: 13033

#XL - S Microbiology

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.
TLS Online TPP Program

#Question id: 13033

#XL - Q Biochemistry

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.