1. Biology 21
Cell Structure Lab

2. Onion Skin Cells
Observe: cell walls, nucleus, leucoplasts May also see: plasmodesma(ta), middle lamella, central vacuole

3. Cheek Cells (A type of epithelial cell)
Observe: cell membrane, nucleus, cytoplasmic inclusions
May also see: nucleolus

4. Elodea Cells
Observe: cell wall, chloroplasts May also see: nucleus

5. Blood Smear
Frog blood
Determine the differences.
Human blood

6. Leaf Tissue (cross section)
Observe: cell wall, chloroplasts
Can a cell membrane be seen?

7. Giant Multipolar Neurons
Observe: Long extensions (processes)
Which cellular component stabilizes the extensions?

8. Sea Star Eggs (Unfertilized)
Observe:
Plasma membrane
Nucleolus
Nucleus

9. Frog Sperm
Observe:
Head
Tail (Flagellum)
Human Sperm

10. Adipose Tissue
Observe: clear area where fat was stored, nucleus, cytoplasm

11. Epithelium (Columnar cells from Intestine)
Electron Micrograph
Observe: nucleus plasma membrane
evidence of microvilli