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TLS Online TPP Program

#Question id: 1765

Low amounts of antigen:

#Unit 4. Cell Communication and Cell Signaling

  1. Produce low affinity antibodies

  2. Do not influence the affinity of antibodies

  3. Produce high affinity antibodies

  4. Affect the avidity but not the affinity of antibodies

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TLS Online TPP Program

#Question id: 19465

#Unit 13. Methods in Biology

In microscopy histological samples are often stained with which basic dye
TLS Online TPP Program

#Question id: 19466

#Unit 13. Methods in Biology

Hematoxylin is a basic dye which which basically bind to which amino acids?
TLS Online TPP Program

#Question id: 19467

#Unit 13. Methods in Biology

Eosin is an acidic dye which basically binds to which molecules?
1. DNA
2. Carbohydrate
3. Glutamic acid
4. Aspartic acid
5. Asparagine
Which combination of the above options are correct?
TLS Online TPP Program

#Question id: 23140

#Unit 13. Methods in Biology

What will be the resolution of a compound microscope where numerical aperture given is 1.5 at 240 wavelength of light?
TLS Online TPP Program

#Question id: 23141

#Unit 13. Methods in Biology

Resolution of a light microscope is 0.42nm at 300 wavelength of light. If the specimen is viewed under oil what is the refractive index?
TLS Online TPP Program

#Question id: 23142

#Unit 13. Methods in Biology

What is the value of numerical aperture of microscope if glycerol is used and sin α= 70o?