Q. Which of the following is a positively charged matrix for ion exchange chromatography?

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Q. Which of the following is an immunoelectrophoresis technique?

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Q. DNA- footprinting is a suitable technique for identifying which of the following?

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

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Q. RAST test (radio allergosorbent test) is often used to detect

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

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Q. An antigen preparation and an antibody preparation are tested by immunodiffusion. Three bands are found, indicating that

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Q. Agarose gel electrophoresis and pulsed field gel electrophoresis may be used to resolve respectively

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Q. The IPTG is a gratuitous inducers of (β-galactosidase, and x-gal is a chromogenic substrate. When α-complementation occurs which colour is produced?

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Q. The competitive immunoassay can be used

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Q. Which of the following is an immunodiffusion test?

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Q. In Counter immunoelectrophoresis

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Q. The four subunits of the hemoglobin (Hb) gene represent protein's

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Q. Beta pleated sheets are examples of protein's

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Q. BRACl, an inherited form of breast cancer, regulates cell division by

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Q. Metastasis involves

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Q. Signal sequences are part of a protein that

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Q. Individuals with PKU disease are mentally retarded unless

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Q. Marfan's syndrome is thought to be a mutation affecting

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Q. Cyclins are proteins that

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