Immunological Techniques
Agarose gel electrophoresis and pulsed field gel electrophoresis may be used to resolve respectively

10 kb and 1000 kb DNA
2000 kb and 20kb DNA
20 kb and 2000 kb DNA
1000 kb and l0kb DNA

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Immunological Techniques
In Rocket Immunodiffusion the length of the rocket is

inversely proportional to the amount of antigen placed in each well
proportional to the amount of antigen placed in each well
proportional to the amount of antibody placed in each well
inversely proportional to the amount of antibody placed in each well

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Immunological Techniques
What would happen if serum is omitted from the ELISA, but all other steps remain same?

The OD values would be nearly the same as the assay control
Anti-human Ig-conjugate would bind non-specifically to the ELISA plate
Anti-human Ig-conjugate would not bind and be washed away
Both (a) and (b)

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