Cell Membrane Flashcards
1
Q
Cell Membrane
A
Regulates which materials can enter/exit the cell
Maintains homeostasis
2
Q
Semipermeable membranes
A
- Membranes allow certain materials to pass through based on certain properties
3
Q
The Fluid Mosaic Model
A
Description of the membrane: made up of many smaller parts and the structure moves like a fluid
4
Q
What is in the membrane?
A
Phospholipids and proteins make up most of the membrane
Cholesterol
Carbohydrate
5
Q
Phospholipid:
A
- A type of lipid that has 2 fatty acid tails and a phosphate head
- Phosphate head is hydrophilic: attracted to water
- Fatty acid tails are hydrophobic: repelled by water
6
Q
Carbohydrate chains
A
help communicate with other cells
7
Q
Cholesterol
A
helps with flexibility
