Unit 2- Proteins, Their Functions And Uses

Question 1

What are enzymes? And what are they made out of?

Answer 1

They are proteins which are made from amino acids.

Question 2

Name two functions that enzymes do?

Answer 2

They either split or join substances.

Question 3

What happens to an enzyme if the Ph or temperature is too high?

Answer 3

The bonds holding the enzyme break and it becomes denatured.

Question 4

Name 3 digestive enzymes? And what do they do?

Answer 4

Protease, lipase, amylase, they break down large molecules into small molecules.

Question 5

What does amylase do? And where is it stored?

Answer 5

Converts starch into sugars. Found in the small intestine, pancreas, salivary gland.

Question 6

What does protease do? Where is it formed?

Answer 6

Converts proteins into amino acids. Formed in the stomach, pancreas and small intestine.

Question 7

What does lipase do? Where is it found?

Answer 7

Converts lipids into glycerol and fatty acids. Found in the pancreas and small intestine.

Question 8

What does bile do? Where is it produced?

Answer 8

Neutralises stomach acid and emulsifies fats. In the liver

Question 9

What do salivary glands produce?

Answer 9

Amylase

Question 10

What enzyme does the stomach produce?

Answer 10

A protease enzyme called pepsin.

Question 11

What will increasing the temperature do?

Answer 11

Speed up the reaction but also speed up an unwanted reaction.