Chapter 7 membrane essay Flashcards
1
Q
What to discuss
A
membrane structure
Proteins
2
Q
Selective permeability
A
Allowing some substances to cross the membrane easier than others
3
Q
Role of lipid bilayer in selective permeability
A
provide a barrier that marks the boundaries of a cell. They contain hydrophilic heads and hydrophobic tails
4
Q
Proteins to discuss:
A
Transport proteins
Aquaportins
Carrier proteins
5
Q
Transport proteins
A
Allow passage of hydrophilic substances across the membrane
6
Q
Aquaporins
A
Channel protein that has a hydophilic channel. Channel certain molecules and ions across the membrane. Aquaphorins specifically channel water
7
Q
Carrier proteins
A
Bind to molecules and change their shape to shuttle them across the membrane. Specific to the substance they move
