1) Who were the scientists responsible for proposing the cell theory? a) A) Isaac Newton and Charles Darwin b) B) Robert Hooke and Gregor Mendel c) C) Anton van Leeuwenhoek and Alfred Wegener d) D) Matthias Schleiden and Theodor Schwann 2) Which of the following is NOT one of the key principles of the cell theory? a) a) All living organisms are composed of cells. b) b) Cells are the basic unit of structure and function in living organisms. c) c) All cells have a nucleus. d) d) Cells can arise only from pre-existing cells. 3) Who proposed the idea that "all cells come from pre-existing cells" in the cell theory? a) a) Robert Hooke b) b) Matthias Schleiden c) c) Rudolf Virchow d) d) Anton van Leeuwenhoek

Cell Theory

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