Q. When the pH of a protein is lowered _________________________

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Q. A protein is neutral at the isoelectric point.

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Q. Which of the following is used as an ion-exchanger resin?

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Q. In ion-exchange chromatography, proteins bound to the resin can be displaced by increasing the _____________________

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Q. Gel-filtration chromatography separates proteins based on their ___________________

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Q. In gel-filtration chromatography, the proteins ______________________

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Q. Proteins interacting with specific substances can be separated using ___________________

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Q. The yeast two-hybrid system is used for studying ________________________

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Q. Polyacrylamide gel electrophoresis uses ___________________ to separate proteins.

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Q. Which of the following is used in PAGE to prevent the mixing of the sample with running buffer?

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Q. Proteins with greater charge density move faster in the PAGE.

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Q. In gel electrophoresis, the globular proteins move slower than the fibrous proteins.

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Q. When was the technique of two-dimensional gel electrophoresis developed?

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Q. Which of the following amino acid absorbs the light of 280 nm?

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Q. For a mass spectrometric analysis, the compounds are converted into ___________________

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Q. In mass-spectrometry, proteins are separated base on their _____________________

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Q. Which is the main ingredient in the sample preparation of mass spectrometry?

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Q. MALDI is a technique of ______________________

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Q. Electrospray ionization is suited for proteins that are __________________

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Q. Which of the following techniques delivers the amino-acid sequence of a peptide?

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