Food And Nutrients

Question 1

Carbohydrates

Answer 1

E.g sugar: Gives us energy
E.g starch: give us energy
E.g fibre:prevent constipation
They have long chains made up of simple sugars therefore they are easily broken down

Question 2

Proteins

Answer 2

We need protein for growth and for repairing damaged tissue. They have long complexed chains which contains amino acid.

Question 3

Lipids

Answer 3

Lipids also known as fats keep us warm (insulation). They can also keep us warm they are made up of 1 molecular glycerol and 3 fatty acids.