Plasma Membrane Notes. CHARACTERISTICS: Maintains homeostasis (balance with environment) Selective permeability – allows some molecules into the cell.
Chemicals of Life Chapter 3-3 Gases: Oxygen and Carbon Dioxide Water!! Proteins Carbohydrates Adenosine Triphosphate DNA Salts, Vitamins and Minerals.
Cell Transport Notes. All cells have a cell membrane made of proteins and lipids Cell Membrane lipid bilayer protein channel protein pump Layer 1 Layer.
Macromolecules
