Section 4
Proteins
Book
Version 32
By Boundless
By Boundless
Boundless Biology
Biology
by Boundless
4 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/20046/raw/induced-fit-diagram.jpg)
Types and Functions of Proteins
Proteins perform many essential physiological functions, including catalyzing biochemical reactions.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18568/square/figure-03-04-01.jpeg)
Amino Acids
An amino acid contains an amino group, a carboxyl group, and an R group, and it combines with other amino acids to form polypeptide chains.
![Thumbnail](../../../../../../figures.boundless-cdn.com/18574/square/figure-03-04-07.jpeg)
Protein Structure
Each successive level of protein folding ultimately contributes to its shape and therefore its function.
![Thumbnail](../../../../../../figures.boundless-cdn.com/20050/square/protein-denaturation.jpg)
Denaturation and Protein Folding
Denaturation is a process in which proteins lose their shape and, therefore, their function because of changes in pH or temperature.