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SC.912.L.14.1 Benchmark Review

SC.912.L.14.1 Benchmark Review. Molecular and Cellular Biology Cell theory and its History and Discovery to the Process of Science. SC.912.L.14.1 Cell Theory. The Cell Theory is one of the basic principles of biology Credit for the formulation of this theory is given to: Theodor Schwann

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SC.912.L.14.1 Benchmark Review

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  1. SC.912.L.14.1Benchmark Review Molecular and Cellular Biology Cell theory and its History and Discovery to the Process of Science

  2. SC.912.L.14.1 Cell Theory • The Cell Theory is one of the basic principles of biology • Credit for the formulation of this theory is given to: • Theodor Schwann • Matthias Schleiden • Rudolph Virchow • History of studying cells • Human eyes are limiting • Early biological research concentrated on developing tools to help see microscopic things • Imaging technology became more sophisticated • biological discoveries abounded • Such as bacteria and fungi

  3. SC.912.L.14.1 Cell Theory • The Cell Theory states: • All living organisms are composed of cells; either unicellular or multicellular • The cell is the basic unit of life • Cells arise from pre-existing cells • The modern version of the Cell Theory includes ideas that: • Energy flow occurs within cells. • Heredity information (DNA) is passed on from cell to cell • All cells have the same basic chemical composition

  4. SC.912.L.14.1 Cell Theory Which of the following “organisms” is considered to be an exception to the cell theory? A. bacteria B. viruses C. amoeba D. yeast Why do you think it’s ____________? How did you come to that answer?

  5. Materials: Reference materials (textbook and Internet pages) rulers paper colored pencils Student Procedures: Research the following people: list some of their contributions to science and dates of these contributions Robert Hooke Hans and Zacharias Janssen Anton van Leeuwenhoek Matthias Schleiden Theodor Schwann Rudolph Virchow 1. Draw a timeline showing the chronological order of these scientists and their contributions. 2. Label the timeline with dates of the above scientists' discoveries. 3. Label each date with the corresponding scientist's name and contribution(s) in an organized and legible manner. Be sure your spacing shows a reasonable approximation of the amount of time elapsed between dates.

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