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#Question id: 1902


Graft vs host disease occurs on injecting adult T-cells of strain A into:

#Unit 4. Cell Communication and Cell Signaling
  1. F1 (A × B) animals

  2. Unirradiated strain B

  3. Irradiated strain A

  4. Strain A fetuses

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TLS Online TPP Program

#Question id: 17269

#Unit 8. Inheritance Biology

In humans, albinism (unpigmented skin, hair, and eyes) is due to an enzymatic deficiency, and it is an autosomal recessive trait. Suppose that in a small country of one million people (“Generation 1”), there are 500 aa albinos and 9000 Aa heterozygous carriers. In the next generation of 1 million individuals (Generation 2), what are the expected numbers of aa albinos and Aa carriers? (Assume random mating and all other HardyWeinberg conditions.)

TLS Online TPP Program

#Question id: 17270

#Unit 13. Methods in Biology

which of the following are the three important components of Electrophoresis 

TLS Online TPP Program

#Question id: 17271

#Unit 13. Methods in Biology

Electrophoretic resolution can be mainly change by changing the

TLS Online TPP Program

#Question id: 17272

#Unit 13. Methods in Biology

We need to minimum buffering capacity is required so that the pH value of the samples analyzed does not have any influence on the system, 
What would happen if we used the higher buffering concentration
a) more electric power is applied, resulting in higher heat development. 
b) less electric power for less time  is applied, resulting in very high  heat development
c) higher buffering concentration need more electric power resulting increases in the temperature will increase the mobility and rate of migration of ions.
d) using the higher buffering concentration shows no affect at all

TLS Online TPP Program

#Question id: 17278

#Unit 13. Methods in Biology

In DNA isolation, which of the following enzyme remove/digest proteins in presence of SDS or chelating agent

TLS Online TPP Program

#Question id: 17279

#Unit 13. Methods in Biology

Which of the following is relatively more stable to heat