Cell Membrane Flashcards
1
Q
What are the functions of cholesterol in the plasma membrane?
A
Cholesterol contributes to both the fluidity and the stability of the membrane.
2
Q
What are the four types of membrane protein?
A
- Transporter
- Receptor
- Enzyme
- Anchor
3
Q
State the characteristic of Integral protein
A
- Embedded in the lipid bilayer
- Aka transmembrane proteins
4
Q
State the characteristic of Peripheral protein
A
- Polar molecule that do not penetrate the membrane
- More commonly found on the inner
5
Q
State the 4 functions of plasma membrane
A
- Acts as a barrier separating inside and outside of the cell
- Controls the flow of substance into and out of the cell
- Helps identity the cell to other cell
- Participates in intercellular signaling
6
Q
The plasma membrane is made up of 3 major component, which are..
A
- Phospholipid
- Cholesterol
- Glycolipid
7
Q
A
