Prac 1: Investigating Cells
Cheek Cells (methylene blue) Cell (plasma) membrane Cytoplasm (cytosol) Nucleus Cheek Cells (methylene blue)
Elodea Chlorophyll (green) produced by chloroplasts Cell membrane and cell wall Elodea **No nuclei seen as the plant cells have not been stained
Onion Cells (iodine) Cell membrane and cell wall Nucleus Pointer (part of the microscope) Water bubble Onion Cells (iodine)
Pond water Protozoa Blue-green algae Nematodes (type of worm) Amoeba Plant and animal debris
Bacteria Fungi Compost Worms