1. Prac 1: Investigating Cells

2. Cheek Cells (methylene blue)
Cell (plasma) membrane
Cytoplasm (cytosol)
Nucleus
Cheek Cells (methylene blue)

3. Elodea Chlorophyll (green) produced by chloroplasts
Cell membrane and cell wall
Elodea
**No nuclei seen as the plant cells have not been stained

4. Onion Cells (iodine) Cell membrane and cell wall Nucleus
Pointer (part of the microscope)
Water bubble
Onion Cells (iodine)

5. Pond water Protozoa Blue-green algae Nematodes (type of worm) Amoeba
Plant and animal debris

6. Bacteria
Fungi
Compost
Worms