Lab 4 & 13 Flashcards
Study Guide
Define Plasmolysis
When the central vacuole loses water and the cytoplasm and chloroplasts pull away from the cell wall
Define Turgor Pressure
When the central vacuole gains water and excerts pressure
Isotonic Affect on cell
No affect. No net movement of water
Hypertonic Affect on cell
Cell Shrinks due to water moving out of the cell
Hypotonic affect on cell
Cell Swells due to water moving into the cell
Describe the effect of buffers on pH change
A system of chemicals that takes up excess hydrogen or hydroxide ions to keep a stable pH
3 cell shapes
Sprial-Spirillum
Rods-Bacilli
Spherical-Cocci
Structures that protozoans use for mobility and difference in them
Flagella- Long whip like tail
Cilia-Short hair like structures