B1.3.1 - Carbohydrates, Proteins & Lipids

Question 1

What do carbohydrates give in food?

Answer 1

Energy to move and stay alive

Question 2

What do proteins give in food?

Answer 2

Help with growth and repair of body tissues

Question 3

Define: Metabolic Rate

Answer 3

The speed at which chemical reactions occur transferring energy from chemical stores in food

Question 4

Name 2 polymers

Answer 4

Carbohydrates and proteins

Question 5

Give an example of carbohydrates

Answer 5

Starch

Question 6

What is starch used for in plants?

Answer 6

A chemical energy store, converted from glucose

Question 7

How many different amino acids are there?

Answer 7

20

Question 8

What are proteins formed from?

Answer 8

Amino acids

Question 9

Which enzyme breaks down starch?

Answer 9

Amylase

Question 10

Which enzyme breaks down proteins?

Answer 10

Protease

Question 11

Which enzyme breaks down lipids?

Answer 11

Lipase

Question 12

What are lipids?

Answer 12

The fats and oils we eat in food

Question 13

What are lipids used for?

Answer 13

A good energy store and can provide insulation for animals

Question 14

What are lipids synthesised from?

Answer 14

3 fatty acid molecules and a glycerol molecule

Question 15

What is starch synthesised from?

Answer 15

Glucose monomers