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produced microsopical observations.
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He worked and improved on the microsope. He described cells in a drop of pond water using a microsope.
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Discovered the digestive enzyme pepsino.
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His methods had led him to propose cell theory for plants. he was the first to reconize cells as fundamental units of life.
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He stated that all living things arrive from pre existing cells.
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She was best known for her theory on the origin of eukaryotic organelles.
