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Transcript
SECTION 3.1 CELL THEORY Power Notes Scientists who contributed to the cell theory: The principles of cell theory: 1. Hooke, All organisms are made of cells. Leeuwenhoek, Schleiden, 2. Schwann, Virchow Important technological advances: Improvements in the microscope, such as better lenses All existing cells are produced by other living cells. 3. The cell is the most basic unit of life. The cell theory is: One of the first unifying concepts developed in biology. nucleus This is a eukaryotic cell. DNA This is a prokaryotic vacuole Cytoplasm cell. Cell Membrane All cells have: a cell membrane, cytoplasm, and similar building blocks of DNA.