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CBSE Class 12 · 2006 · Delhi · BiomoleculesShort Answer

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State two main differences between globular proteins and fibrous proteins.

Solution

\textbf{Globular}: the polypeptide folds into a compact ball; soluble in water; functional roles — enzymes, insulin, albumin.
\textbf{Fibrous}: chains lie parallel, held by H/S–S bonds into fibres; insoluble in water; structural roles — keratin (hair, nails), myosin (muscle).

CBSE Class 12 Board · 2006 · Delhi · Subjective

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