Cell Membrane

Question 1

Selectively Permeable Barrier

Answer 1

membrane that only allows some things through, can control flow of materials

Question 2

Fluid-Mosaic Model

Answer 2

current best model for biomembrane structures, 2 layers of phospholipids, can move laterally but not across layers

Question 3

Amphipathic Proteins

Answer 3

hydrophobic part of protein stays with hydrophobic part of lipids, and vice versa for hydrophilic part

Question 4

Freeze Fracture

Answer 4

freeze lipids, separate layers, look at proteins