How would you describe what you see below to someone else?

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Described what he saw as a “cell”

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How would you describe what you see below to someone

else?

Robert Hooke1665

• Viewed “cork” slices under the

microscope

•Described what he saw as a “cell”

Anton von Leeuwenhoek

(1667)• Looked at pond water under the microscope

• Discovered “animalcules”

Henry DutrochetEarly 1800’s

•All living things are made of cells

Robert Brown1831

• Discovered the nucleus

Matthias Schleiden

1838Viewed plant cells under

the microscope

Viewed animal cells

under the microscope

Theodor Schwann1839

Johannes Purkinje1839

•Discovered cell “jelly” cytoplasm

Rudolph Virchow1855

Cells divide to become other cells

Max Schultze1861

•All cells have cytoplasm

Felix Dujardin1861

•Discovery of one-celled organisms

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