Cells and Their Environment Ch. 4 Biology. Membrane Structure Phospholipid Bilayer 2 layers of phospholipids Proteins Transport Receptors Cholesterol.
CELL Structure REVIEW Cell Theory/Cell size Types of cells: Prokaryotes VS Eukaryotes Cell Membrane and how substances move across the membrane Cell Organelles.
CELL TRANSPORT. WHAT IS THE FUNCTION OF THE CELL MEMBRANE? Regulates what enters and leaves the cell Provides protection Provides support.