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Information about the cell
The document discusses the history of cell discovery. Robert Hooke first observed cells in 1665 using a microscope to examine cork. Later, Robert Brown discovered the nucleus in 1833. In 1838, Matthias Schleiden and Theodor Schwann discovered that plants and animals respectively are composed of cells. In 1855, Rudolf Virchow proposed that all cells come from preexisting cells, debunking the theory of spontaneous generation. The combined work of these scientists formed the Cell Theory, which states that all living things are composed of cells, cells are the basic unit of life, and all cells come from preexisting cells.
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Information about the cell
- 1. The Cell THE BASICUNIT OF LIFE
- 2. Engage: Cell History Cytology- study of cells 1665 English Scientist Robert Hooke Used a microscope to examine cork (plant) Hooke called what he saw "Cells"
- 3. Cell History RobertBrown discovered the nucleus in 1833. Matthias Schleiden German Botanist Matthias Schleiden 1838 ALL PLANTS "ARE COMPOSED OF CELLS". Theodor Schwann Also in 1838, discovered that animals were made of cells
- 4. Cell History RudolfVirchow 1855, German Physician "CELLS ONLY COME FROM OTHER CELLS". His statement debunked "Theory of Spontaneous Generation"
- 5. Cell Theory TheCOMBINED work of Schleiden, Schwann, and Virchow make up the modern CELL THEORY.
- 6. 1. All livingthings are composed of a cell or cells. 2. Cells are the basic unit of life. 3. All cells come from preexisting cells. The Cell Theory states that:
- 7. Explore Plant vs.Animal Lab You will observe different types of plant and animal cells under the microscope and record your observations. Gel Cells for Diffusion You will build a model of a cell to understand why cells when they reach a certain size stop growing.
- 8. Explain: Cell Diversity Cells within the same organism show Enormous Diversity in: Size Shape Internal Organization
- 9. Prokaryotic Cell Cell membrane Cellmembrane Cytoplasm Cytoplasm Nucleus Organelles Eukaryotic Cell 3. Internal Organization
- 10. Prokaryotes Eukaryotes Cell membrane ContainDNA Ribosomes Cytoplasm Nucleus Endoplasmic reticulum Golgi apparatus Lysosomes Vacuoles Mitochondria Cytoskeleton Compare and Contrast
- 11.
- 12. Animal Cells PlantCells Centrioles Cell membrane Ribosomes Nucleus Endoplasmic reticulum Golgi apparatus Lysosomes Vacuoles Mitochondria Cytoskeleton Cell Wall Chloroplasts Compare and Contrast Venn Diagrams