Cell Membrane Flashcards
What moves OUT of the cell?
- wastes: ammonia, salts, carbon dioxide, water
* products: protein
What moves INTO the cell
- food: sugars, proteins, fats
- salts
- oxygen
- water
Draw and label phospholipid
…..
When only some material can get in and out is called ____
Semipermeable
2 types of molecules that can go directly through the cell membrane?
Fats and oils
What allows specific materials to pass in and out of the cell?
Proteins
EX: sugar, amino acids, water
When a solution moves from a high to low concentrations. AKA _____
Diffusion
Diffusion is ACTIVE or PASSIVE
passive
3 types of passive transport?
- diffusion
- osmosis
- facilitated diffusion
Active transport moves molecules from ____ to ____ concentrations. It requires _____
- Low
- High
- Energy
Active transport requires ____ pumps
Protein
Animal cell in ______ = hypotonic, lysed, gains
Freshwater
Animal cell in ____ = isotonic, normal, stays the same
Balanced solution
Animal cell in ____ = hypertonic, shriveled, loses
Salt water
Plant cell in _____ = hypotonic, turgid
Freshwater
Plant cell in ____ = isotonic, flaccid
Balanced solution
Plant cell in _____ = hypertonic, plasmolyzed
Saltwater
What special feature do paramecium have?
Contractile vacuole
3 examples of active transport?
- Endocytosis: (in) EX: phagocytosis and penocytosis
- Exocytosis: (out)
- Na K pump
