IGCSE 0610 7 Human nutrition

Substances absorbed from the alimentary canal may enter cells and become part of the cells.

State the storage carbohydrate made from glucose in liver cells

(a)  

State one factor other than pH which will affect enzyme activity

(a)  

What is the optimum pH for stomach enzymes

• pH 2

• pH 7

• pH 9

• pH 12

What is the optimum pH for small intestine enzymes

• pH 2

• pH 7

• pH 9

• pH 12

During digestion, what is the function of an enzyme?

• to break down fats into droplets

• to break down food into small pieces

• to break down large molecules into small molecules

• to kill bacteria in food