5: Cell Membranes Last updated Feb 28, 2021 Save as PDF 4.6: Assignment- Cell Builder 5.1: Why It Matters- Cell Membranes Page ID35637 ( \newcommand{\kernel}{\mathrm{null}\,}\) 5.1: Why It Matters- Cell Membranes5.2: Structure of the Membrane5.3: Kinds of Transport5.4: Endocytosis and Exocytosis5.5: Putting It Together- Cell Membranes5.6: Assignment- Membranes Alive!