Chapter 4 Flashcards
1
Q
Diffusion
A
Molecules move from an area of high to low concentration
2
Q
Osmosis
A
Movement of water across the membrane
3
Q
Active transport ( pumps)
A
Low to high and requires energy
4
Q
Facilitated diffusion (tunnels)
A
Requires no energy . High to low
5
Q
Endocytosis
A
A region of the plasma membrane engulfs an extra cellular target
6
Q
Exocytosis
A
When a vesicles inside the cell fuses with the plasma membrane and releases its contents outside the cell
7
Q
Ribosomes
A
Make proteins . Can be found in cytoplasm
8
Q
ER
A
phospholipid bi layer network
9
Q
Golgi apparatus
A
Modifies proteins and lipids
10
Q
Lysosomes
A
Carries the dangerous cargo
11
Q
Mitochondria
A
Where all the cells generate ATP
12
Q
The cytoskeleton
A
Maintains all cell shape and organization
