Cell Review Flashcards
1
Q
3 main parts of a cell:
A
- Plasma membrane
- Cytoplasm
- Nucleus
2
Q
Describe plasma membrane:
A
Phosolipid bilayer (studded with proteins) FUNCTION: Boundary of the cell. Identifies cells, allows molecules of water, gases, wastes, and many other substances in and out
3
Q
Define: diffusion (ex. Sugar cube in coffee)
A
Passive transport process. Scatters particles to equal it out. HIGH CONCENTRATION TO LOW
4
Q
Osmosis:
A
Movement of H20 molecules in and out cells to correct imbalances in water concentration
5
Q
Hypotonic:
A
More concentration
6
Q
Isotonic:
A
Stays the same
7
Q
Hypertonic:
A
Less concentration
8
Q
Endocytosis process:
A
πππ requires energy. *taking in energy. In the END they are ONE
9
Q
Exocytosis:
A
Doesnβt require energy. Taking energy out.
πππ take your EX OUT