GCSE and AS revision

3 - PLANT NUTRITION AND TRANSPORT  Minerals for healthy growth   Deficiencies -  1 - Nitrates  Contain nitrogen for making amino ...

3 - PLANT NUTRITION AND TRANSPORT  Photosynthesis   Produces food for plant (glucose)  Happens in the leaves of all green plants  ...

2 - HUMAN NUTRITION  Alimentary canal   Mouth -  - Salivary glands in the mouth produce amylase in saliva  - Teeth break down f...

2 - HUMAN NUTRITION  Digestive enzymes   Break down big molecules into smaller ones  Starch, proteins and fats are too big to pass t...

2 - HUMAN NUTRITION  Balanced diet   Gives all essential nutrients in right proportions  Carbohydrates, proteins, lipids, vitamins, ...

2 - HUMAN NUTRITION  Biological molecules   Carbohydrates -  Made up of simple sugars  Contain carbon, hydrogen and oxygen  Starc...

2 - ELECTRICITY  Circuits 1 - Current the rate of flow of charge round the circuit  will only flow through a component if there is...