PROTEINS

Function of proteins. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The structure of proteins. ,[object Object],[object Object],[object Object],[object Object]

Amino acids. ,[object Object],[object Object],[object Object]

Structure of an amino acid. Carboxylic acid group Amino group R Group

How do two amino acids join together ? ,[object Object],A peptide bond is formed and this results in a dipeptide

What is a polypeptide? ,[object Object]

Proteins can be divided into groups. ,[object Object],[object Object]

Four levels of structure. ,[object Object],[object Object]

[object Object],[object Object]

Haemoglobin is made up of 4 different polypeptide chains. Keratin is a secondary structure protein. it has a spiral shape and is held in position by hydrogen bonds. Haem group Haemoglobin molecule

Globular proteins. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Structure and function of globular proteins. ,[object Object],[object Object],[object Object]

Denaturation of proteins. ,[object Object],[object Object],[object Object]

Questions. ,[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object]

PROTEINS

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PROTEINS