AQA chapter 2.1

Question 0

What is the second stage of digestion?

Answer 0

Chemical digestion - breaks down large, insoluble molecules into smaller soluble ones. Molecules broken down by enzymes by the process of hydrolysis.

Question 1

What is the first stage in digestion?

Answer 1

Physical breakdown - food is broken down by the teeth into smaller parts. Makes it possible for the food to be digested and gives a large surface area for chemical digestion.

Question 2

What do the enzymes carbohydrases break down?

Answer 2

Carbohydrases break down carbohydrates into monosaccharides.

Question 3

What do the enzymes lipases break down?

Answer 3

Lipases break down lipids (fats and oils) into fatty acids and glycerol.

Question 4

What do the enzymes proteases break down?

Answer 4

Proteases break down proteins into amino acids.

Question 5

What is assimilation?

Answer 5

The processes in which the digested food is absorbed and incorporated into the muscle tissue.