Cell membrane Flashcards
1
Q
What is cell membrane?
A
- a thin sheet surrounds the cell
2
Q
What is the structure of cell membrane
A
3
Q
What is the function of cell membrane?
A
- containment of substances and structures
- protection
- regulation of substance movement
- connection to other structures
4
Q
What is phospholipid bilayer stand for?
A
- phospho: phosphorus
- lipid: fat molecule
- bilayer: double layer
5
Q
What is the purpose of phospholipid bilayer?
A
- forms a barrier separates the internal environment of the cell from the external surrounding
6
Q
What is the structure of phospholipid bilayer?
A
- Phosphate head: attracted to water
- Lipid tails: repelled water -> helps maintain water balance
