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TLS Online TPP Program

#Question id: 3924

Characteristics of ligands involved in transcription include:

#Section 3: Genetics, Cellular and Molecular Biology

  1. They can modify the function of repressors and activators.

  2. They are considered inducers when they bind to repressors and activate them.

  3. They are considered corepressors when they bind to repressors and inactivate them.

  4. All of the above

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TLS Online TPP Program

#Question id: 15869

#Section 6: Plant, Animal and Microbial Biotechnology

In a modest laboratory, aseptic handling, maintenance and observation of cultures, these activities can be done in the culture room.  Some facilities are required for the culture room, except?
TLS Online TPP Program

#Question id: 15870

#Section 6: Plant, Animal and Microbial Biotechnology

 What is the advantage of plant tissue culture over animal tissue culture?
TLS Online TPP Program

#Question id: 15871

#Section 6: Plant, Animal and Microbial Biotechnology

Various sterilization techniques used in plant tissue culture work;

           Sterilization technique

 

          Materials sterilized

     A) Dry heat

i) Media, culture vessels, other glass plasticwarc, contaminated cultures

 

      B) Autoclaving

ii) Heat labile compounds like GA3, ABA, zeatin, urea,·enzymes, etc.

 

      C) Surface sterilization

iii) Empty glassware, instruments like scalpels, forceps, needles

 

     D) Liquid (membrane filter of 

       0.45 μm or smaller pore size)

iv) All plant materials to be cultured

 

 

TLS Online TPP Program

#Question id: 15872

#Section 6: Plant, Animal and Microbial Biotechnology

For optimum callus growth, the given some following vitamins are required, except;
TLS Online TPP Program

#Question id: 15873

#Section 6: Plant, Animal and Microbial Biotechnology

Which is the most commonly used carbon source, for all cultured plant materials, including even green shoots.
TLS Online TPP Program

#Question id: 15874

#Section 6: Plant, Animal and Microbial Biotechnology

Callus culture show numerical chromosomal changes such as;