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  1. In 1670 he wasthe first man to witness a live cell under a microscope was Anton van Leeuwenhoek, in 1674 he described the algae Spirogyra. Van Leeuwenhoek probably also saw bacteria. Among these was the first protozoa and bacteria discovered in 1683. Study with Quizlet and memorize flashcards containing terms like Who is Anton van Leeuwenhoek ...

  2. or more cells 2 - The cell is the basic unit of structure for all organisms 1840 Where does life come from Albrecht von Roelliker discoveres that sperm and eggs are also cells. 1845 Basic unit of life Carl Heinrich Braun reworks the cell theory, calling cells the basic unit of life. 1855 3rd part to the cell theory added

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  4. states: 1 - Cells are organisms and all organisms consist of one or more cells 2 - The cell is the basic unit of structure for all organisms 1840 Where does life come from Albrecht von Roelliker discoveres that sperm and eggs are also cells. 1845 Basic unit of life Carl Heinrich Braun reworks the cell theory, calling cells the basic unit of life.

  5. 1670. What year did Brown describe the cell nucleus in cells of the orchid? 1833. When did Schleiden and Schwann propose cell theory? 1838. Year Albrecht von Roelliker realized that sperm cells and egg cells are also cells. 1840. Year N. Pringsheim observed how a sperm cell penetrates an egg cell. 1856. Kolliker described mitochondria. 1857.

  6. Brown descibed the cell nucleus in cells of the orchid. 1838: Schleiden and Schwann proposed cell theory. 1840: Albrecht von Roelliker realized that sperm cells and egg cells are also cells. 1856: N. Pringsheim observed how a sperm cell penetrated an egg cell. 1857

  7. He also pulled together and organized previous statement on cells into one theory, which states: 1 - Cells are organisms and all organisms consist of one or more cells 2 - The cell is the basic unit of structure for all organisms: 1840: Where does life come from Albrecht von Roelliker discoveres that sperm and eggs are also cells. 1845

  8. concluded that all animals are made of cells and came up with the first version of cell theory Albrecht von Roelliker Discovered that sperm and eggs are also cells.

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