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#Question id: 1929


Which of the following is an example of an immune escape mechanism used by some tumor cells?

#Section 2: General Biology
  1. Inhibition of indoleamine-2,3-dioxygenase

  2. Increased expression of MHC class I

  3. Increased expression of PD-L1

  4. Decreased expression of FasL


Answer:- Option(s): 3


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#Question id: 15916

#Section 6: Plant, Animal and Microbial Biotechnology

Recombination of different types of cells to form more defined tissue or organ is known as __________________ 

TLS Online TPP Program

#Question id: 15917

#Section 6: Plant, Animal and Microbial Biotechnology

______________is the primary equipment required for animal tissue culture laboratories 

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#Question id: 15918

#Section 6: Plant, Animal and Microbial Biotechnology

The following are methods of sterilization EXCEPT: 

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#Question id: 15919

#Section 6: Plant, Animal and Microbial Biotechnology

The following are the routes of contamination in tissue culture laboratories EXCEPT: 

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#Question id: 15920

#Section 6: Plant, Animal and Microbial Biotechnology

_____________is the advantage of animal tissue culture 

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#Question id: 15921

#Section 6: Plant, Animal and Microbial Biotechnology

_________________is one of the limitation of animal tissue culture 

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