Across
- 1. A type of protein which makes up the shell of crustaceans such as crabs and lobsters
- 3. A type of protein found in red blood cells
- 7. A type of carbohydrate which is high in energy and is sometimes used as a food store
- 8. A type of proteins which make part of the immune system
Down
- 1. These are very important for energy in the body
- 2. These are used as a store of energy
- 4. These have countless functions and are involved in structure, transport, movement and immunity
- 5. A type of carbohydrate found in plant cell walls
- 6. Molecules which include fats, steroids and waxes