logo

Ask Questions, Get Answers

X
 
Home  >>  CBSE XII  >>  Chemistry  >>  Biomolecules

What are Proteins . Give the structures of Proteins.

What are Proteins . Give the structures of Proteins.

1 Answer

Proteins They are linear polymers  of a-amino acids.

Structure of Proteins

 (a) Primary structure:  It simply reveals the sequence of amino acids.(fatty acids , starch)

 (b) Secondary structure:  α-helix structure maintained by hydrogen bonds  or β-pleated sheet structure when R is small group.

(c) Tertiary structure:  The folding and superimposition of polypeptide  chains forms a compact globular shape, termed as tertiary structure. It is stabilised by covalent, ionic, hydrogen and disulphide bonds. The precise arrangement constitutes the quaternary structure.

answered Jul 14 by pady_1
 
...