Microscopes, Spontaneous Generation & Cell Theory

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Presentation transcript:

Microscopes, Spontaneous Generation & Cell Theory

Spontaneous Generation Living things can come from non-living matter toads from mud, mice from grain + rags

Redi = first to disprove spontaneous generation with science Experimental Set-up: Control Set-up

Pasteur Experimental Set-up: Control Set-up: Conclusion:

Robert Hooke First to see cells The cork cells - dead only cell walls. Named after monk’s cells Little empty rooms

Anton van Leeuwenhoek Saw first LIVE cells in pond water.

Schleiden, Schwann & Virchow = Cell Theory 1. All living things have cells Schleiden = all plants Schwann = all animals 2. Cells are the basic unit of life 3. All cells come from other cells.

Microscope Types 1. Compound Light Microscopes a. More than one lens b. use light to create image 2. Electron microscopes a. use electrons to create image b. can see things smaller than the wavelength of light

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