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Solution - How Are Proteins Classified on the Basis of Molecular Shapes? - Proteins - Structure of Proteins

Question

How are proteins classified on the basis of molecular shapes?

Solution

On the basis of molecular shape, proteins are classified into two types—fibrous proteins and globular proteins.

  1. Fibrous proteins:- They are insoluble in water, long, thread-like and tend to lie side by side to form fibres. The polypeptide chains are held together by hydrogen bonds. Examples: Collagen in tendons; keratin in hair, skin, nails, horn and feathers; myosin in muscle; fibroin in silk
  2. Globular proteins:- They are soluble in water and aqueous solutions of bases, acids and salts. They are folded to form a spherical shape, have intramolecular hydrogen bonding and have weak intermolecular forces as compared to fibrous proteins.
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APPEARS IN

2014-2015 (March)
Question 6.5 | 2 marks
Solution for question: How Are Proteins Classified on the Basis of Molecular Shapes? concept: Proteins - Structure of Proteins. For the courses HSC Science (Computer Science), HSC Science (Electronics), HSC Science (General)
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