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#Question id: 23142


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

#Unit 13. Methods in Biology
  1. 1.3
  2. 1.5
  3. 1.2
  4. 1.4

Answer:- Option(s): 3


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#Question id: 10820

#Unit 10. Ecological Principles

Of the following types of interactions, which one is least likely to limit population size?

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#Question id: 20024

#Unit 13. Methods in Biology

Precipitation reaction are recognise by the formation of
a) Lattice
b) Agglutination
c) Ordered structure of antigen and antidody
d) Antibody must be bivalent

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#Question id: 1184

#Unit 4. Cell Communication and Cell Signaling

The order of events in a signaling pathway can be determined by the analysis of mutants. Cells that express a mutant defective Raf protein cannot be stimulated to proliferate uncontrollably by constitutively active RasD (dominant active). This indicates:

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#Question id: 5787

#Unit 8. Inheritance Biology

A spontaneous mutation usually originates as an error in

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#Question id: 19832

#Unit 12. Applied Biology

The single component system is based on the expression of a toxic polypeptide in response to

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