Q. Proteins can be visualized directly in gels by

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Q. In SDS-PAGE, the protein sample is first

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Q. Electrophoresis of histones and myoglobin under non-denaturing conditions (pH = 7.0) results in

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Q. In isoelectric focusing, proteins are separated on the basis of their

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Q. In a gel filtration column

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Q. In a native PAGE, proteins are separated on the basis of

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Q. The subunit molecular weight as well as the number of subunits in the quaternary structure can be determined by

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Q. Proteins are separated in an SDS-PAGE experiment on the basis of their

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Q. An average polypeptide chain may contain up to

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Q. Enzyme required to convert polypeptides to amino acids is

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Q. Amino acids are not used for

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Q. Conversion of amino acid in useful proteins is carried out by

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Q. Excess of amino acids are

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Q. When a small number of acids or bases are added to zwitterion ion, it resists a change in

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Q. Zwitterion ions are

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Q. Ion which carries two charges, positive and negative is called

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Q. The strong intermolecular forces between amino acids are due to the presence of

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Q. Glycine which is a simplest amino acid is

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Q. A very important group of compounds which contain an amino group and the carboxylic group is called

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Q. On addition of alkali, zwitterion ion will reform

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