Differentiate between globular and fibrous proteins.
Exercise
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Difference between globular protein and fibrous protein:
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Fibrous protein
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Globular protein
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| 1. |
It is a fibre-like structure formed by the polypeptide chain. These proteins are held together by strong hydrogen and disulphide bonds.
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The polypeptide chain in this protein is folded around itself, giving rise to a spherical Structure.
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| 2. |
It is usually insoluble in water, but soluble in strong acids and bases.
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It is usually soluble in water, acids, bases and salts.
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| 3. |
They have comparatively stronger intermolecular forces of attraction.
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They have weak intermolecular hydrogen bonding.
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| 4. |
Example: Collagen, fibroin, myosin, hair, skin,silk, wool, etc.
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Egg, albumin, casein of milk, insulin.
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