- PART A - PLANT CELLS
Section 1 - Onion Epithelial Cells. p. 322
Section 2 - Elodea (aquatic plant). p. 323
- Cellular Structure: estimate cell size
and observe structures in distilled water (hypotonic).
Cytoplasmic streaming:
- Water Balance in Plant Cells. p. 324
2. Write a hypothesis predicting changes in cellular structure when cells are placed in 3% and 10% NaCl (hypertonic).
Plasmolysis:
- Cellular Structure: estimate cell size
and observe structures in distilled water (hypotonic).
- PART B - ANIMAL CELLS p. 325
Section 1 - Human Epithelial Cells.
Section 2 - Paramecium in hypotonic water: use methyl cellulose to immobilize.
Contractile vacuoles:
- PART C - QUESTIONS p. 327
(see Microscope lab, p. 35 on estimating sizes of specimens under a microscope)
