Flow-cytometric analysis for the detection and measurement of subpopulations of leukocytes, including those of leukaemia, is usually performed using monoclonal antibodies. Why is this the case?

Choose whether each of the following statements is true 

a) Indirect immunofluorescence is a more sensitive technique than direct immunofluorescence

b) Most antigens induce a polyclonal response. 

c) For precipitation to occur, both antigen and antibody must be multivalent.

d) ELISA tests using chemiluminescence are more sensitive than chromogenic ones and precipitation tests are more sensitive than agglutination tests

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#Question id: 19451

#Part-A Aptitude & General Biotechnology

We use different lenses in combinations. The total magnification is represented as

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#Question id: 19452

#Part-A Aptitude & General Biotechnology

Angle of aperture is best considered for achieving better resolution (D)

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#Question id: 19453

#Part-A Aptitude & General Biotechnology

What will be the value of resolution when the angle given is 60O  and R.I. given is 1.3 at 340nm?

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#Question id: 19454

#Part-A Aptitude & General Biotechnology

Resolving power has the ability to distinguish between 

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#Question id: 19454

#Part-B Specialized Branches in Biotechnology

Resolving power has the ability to distinguish between 

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#Question id: 19455

#Part-A Aptitude & General Biotechnology

Resolution is improved by using 

1. Shorter wavelengths of light 

2. Gathering less light

3. Gathering more light

4. Longer wavelengths of light 

Choose the option with all incorrect statements?