Immunological Techniques
DNA- footprinting is a suitable technique for identifying which of the following?

Particular mRNA in mixture
Particular t-RNA in mixture
Protein binding site within DNA
Introns within DNA

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Immunological Techniques
What would happen if the anti-human Ig-conjugate is not washed free of the well before the substrate is added?

None of these
The ELISA would not develop when the substrate was added
All wells would show uniform over-development due to unbound and excess anti-human Ig enzyme conjugate
The ELISA would develop normally

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