Enzymes and Digestion

Question 1

What do digestive enzymes do?

Answer 1

Break big molecules into smaller ones.

Question 2

What are three big molecules?

Answer 2

Starch, proteins and fats.

Question 3

What are four small molecules?

Answer 3

Sugars, amino acids, glycerol and fatty acids.

Question 4

What does amylase do and where it is made (3 places)?

Answer 4

Breaks down starch into sugars, it is made in the small intestine, pancreas and the salivary glands.

Question 5

What does protease do and where is it made (3 places)?

Answer 5

Breaks down proteins into amino acids, it is made in the small intestine, pancreas and the stomach.

Question 6

What does lipase do and where is it made (2 places)?

Answer 6

Converts lipids into glycerol and fatty acids, it is made in the small intestine and pancreas.

Question 7

What does bile do, where is it produced and where is it stored?

Answer 7

Bile neutralises stomach acid and emulsifies fats so there is a bigger surface area to increase the rate of reaction. It is produced in the pancreas but is stored in the gall bladder, and is then released into the small intestine.