. Flashcards
What does a balanced diet contain
Proteins, carbohydrates, vitamins, minerals, fibre and water
What is the main source of energy
Carbohydrate
Are sugars such as glucose soluble or insoluble
Soluble
Are sugars such as starch soluble or insoluble
Insoluble
Name sources of carbohydrates in the diet
Potatoes, rice, pasta, bread and sugary snacks
What are proteins made up of
Many subunits called amino acids
What are proteins used for
Repair and growth
Sources of protein
Meat, egg, fish and nuts
What are fats used as
A store for energy
What does the layer under the skin help do
Insulate the body
What molecules do fats consist of
A molecule of glycerol joined to 3 fatty acids
Fats and oils together are called
Lipids
Sources of fats in the diet
Meat and vegetable oils
All 3 main foodstuffs are compounds made from the elements
Carbon, hydrogen, oxygen. In addition, proteins contain nitrogen
What is mostly made from cellulose in plants
Fibre