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Transcript
Chapter 7-1: Discovery of Cells Cells Used to believe that disease came from curses and ghosts Cells cont… Invention of the microscopes stopped this thought Found the cell—Basic unit that makes up living organisms Cells cont.. Antoine VanLeeuwenhoek—Inventor of the microscope Cells cont… Robert Hooke—discovered the cell Looked at cork under a microscope Cell Theory Cont… Matthias Schleidan Said that all plants must have cells Cell Theory cont… Theodore Schwann Said all animals must have cells Cell Theory All organisms are made up of cells Cells are organized All cells must come from pre-existing cells Cell Types Prokaryotes—simple cells No nucleus Ex: Bacteria or Amoeba Cell Types cont.. Eukaryotes—complex cells Has nucleus Ex: Plants and Animals Organelles Tiny structures inside the cell Ex: Nucleus Central “brain”
