Proteins

Question 1

Describe the formation and function of proteins

Answer 1

The shape and function of a protein comes from its specific sequence of amino acids.

Proteins have many functions within the body a few examples are:

Structural proteins (membranes)
Enzymes
Hormones
Antibodies
Receptors

Question 2

Describe a catalyst, naming a biological catalyst

Answer 2

catalyst will:

Speed up a chemical reaction
Remain chemically unchanged after the reaction
Lower the activation energy needed for the reaction to occur.
All living cells produce biological catalysts to speed up cellular reactions.

A biological catalyst is called an ENZYME.

Question 3

Describe conditions which affect enzyme activity

Answer 3

Enzymes and other proteins are affected by temperature and pH

certain conditions an enzyme can become denatured