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Biuret test is performed for the testing of carbohydrates.

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Important Questions on Biological Molecules

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If the acidic, basic and hydrophobic residues of proteins are considered to be red, green and blue in colour, respectively, then a globular protein in aqueous solution would have
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Which ONE of the following is likely to occur upon heating a solution of eukaryotic protein from 20°C to 95°C?
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Amino acid analysis of two globular protein samples yielded identical composition per mole. Which one of the following characteristics is necessarily identical for the two proteins?
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Which one of the following amino acids is least likely to be in the core of a protein?
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Which one of the pairs of amino acids contains two chiral centres?
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Among the following, identify the zwitterionic form
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In primary structure of protein, the protein thread showed helix with four amino acids S-C-Y-E and a naphthalene structure in amino acid Y. In such condition what will be the direction of helix and what are the positions of amino acids
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Which one of the following is the most abundant protein in the animals?
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Which one is an iron storage protein?

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The spatial arrangement produced by the twisting and folding of the peptide chains in a protein is referred to as ____
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Amino acids are produced from
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Select the wrong statement.
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Which one is not a protein?
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_____ is known as imino acid.
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The secondary structure of that portion of an integral protein that is buried in the lipid bilayer of a cell membrane is
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The linear sequence of amino acids is referred to be the  _____ structure of protein.
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The derived amino acids are also known as _____ amino acids.
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There are 20 naturally occurring amino acids. The maximum number of tripeptides that can be obtained is
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Which one of the following is a conjugated protein?