Chapter 8 / 8.3 An Overview of Cell
Understanding Cells: The Building Blocks of Life π¬ Key Historical Discoveries Schwann (1839) discovered the plasma membrane in animal cells πΎ He identified cell walls as unique to plant cells π± Schleiden & Schwann proposed: All living things are made of cells and cell products Rudolf Virchow (1855) added: New cells come from pre-existing cells […]

