1. Cell Structure Lab

2. Onion Stained with Iodine
Cell wall
cytoplasm
Nuclear envelope
nucleolus
chromatin

3. Elodea Cells

4. Cheek Cells Stained with Methyl Blue
Plasma
Membrane
Nucleus
Cytoplasm

5. Plant Versus Animal Cell
Note the cell wall present in both onion and elodea cells.
No such cell wall is visible in the animal cell.
All cells have visible nuclei and nucleoli, nuclear envelopes, and cytoplasm.