1. Cell Membrane Structure & Molecule Transport Part 1
Pre AP Biology
Cell Membrane Structure
& Molecule Transport
Part 1

2. Cell Membrane

3. Cytoskeleton

5. Centrioles

6. Cellular Movement

8. Microfilaments in muscle tissue

10. Amphipathic Phospholipids
WATER
Hydrophilic
head
Hydrophobic
tail
WATER

11. Amphipathic Proteins Hydrophilic region of protein Phospholipid
bilayer
Hydrophobic region of protein

12. Fluid Mosaic Model and Phospholipids
Lateral movement
(~107 times per second)
Flip-flop
(~ once per month)
Movement of phospholipids

13. Membrane Protein Functions
Signal
Enzymes
Receptor
ATP
Transport
Enzymatic activity
Signal transduction

14. Membrane Protein Functions
Glyco-
protein
Cell-cell recognition
Intercellular joining
Attachment to the
cytoskeleton and extra-
cellular matrix (ECM)