Cell Membrane + Action potential Flashcards
1
Q
What are the components of the Phospholipid bilayer
A
A hydrophilic Head and hydrophobic tail
2
Q
What are the Major components of the Cell membrane
A
Phospholipid Bilayer
Integral/Transmembrance Proteins
Glycolipids
Cholesterol
3
Q
What are the three ways substances can cross the cell membrane
A
Active transport
Facilitated Diffusion
Simple Diffusion
4
Q
What is the Cell membrane
A
An extremely thin, selectively permeable layer surrounding the organelles of the cell
5
Q
What molecules can cross using simple diffusion
A
O2, CO2, N2, Steroid Hormones and other hydrophobic molecules
Small uncharged polar molecules: Water, Urea, Glycerol (Very slow)
6
Q
A
