1. Cell Membrane!!

2. Cell Membranes are composed of 2 Layers of Phospholipids = Phospholipid Bilayer
Heads = love water
Tails = hate water
Middle = oily substance that keeps water out

3. Soap + Oil

4. Cell Membrane = Phospholipid Bilayer

6. The cell membrane is semi-permeable: allows substances to pass based on size
DEMO!

7. What enters and exits cells?
Carbon Dioxide
Water
Small molecules can pass through the phospholipid bilayer; but how do the big molecules get into cells?
Oxygen
Glucose
Enzymes

8. The Fluid Mosaic Model of The Cell Membrane
Fluid: moves easily
Mosaic: made of phospholipids, carbohydrates, protein channels

9. Cell Transport Jigsaw:
Each group will read about a different type of cell transport
You are to become an EXPERT in your topic.
While reading:
Pull out vocab words and define.
Take notes on important info.
Summarize the transport type.
You will then switch groups and become the teacher of that topic in your group.
You are fully responsible for the people in your group learning your section of notes.
Group 1: Diffusion
Group 2: Osmosis
Group 3: Facilitated Diffusion/Ion Channels
Group 4: Sodium Pumps
Group 5: Exo/Endocytosis