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The Diversity of Cells HO#____C

The Diversity of Cells HO#____C. Bellringer: A ______________ is a cell that has an organized nucleus. Cells and the Cell Theory. Robert Hooke 1665 Cork Saw “little boxes” AKA ___________ Plants and fungi Cell _________ Living cells “________”. Finding Cells in Other Organisms.

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The Diversity of Cells HO#____C

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  1. The Diversity of CellsHO#____C Bellringer: A ______________ is a cell that has an organized nucleus.

  2. Cells and the Cell Theory • Robert Hooke • 1665 • Cork • Saw “little boxes” AKA ___________ • Plants and fungi • Cell _________ • Living cells • “________”

  3. Finding Cells in Other Organisms • Anton van Leeuwenhoek • 1673 • Pond scum • _________________ • “little animals” • Animal blood • Differnece in ______ make-up • Bacteria • ______________ • Discovered it makes bread rise…Yummo!

  4. The Cell Theory • Schwann- 1839 • All organsisms are made of ______ or more cells • The cell is the __________ unit of all living things • Virchow- 1858 • All cells come from _________________ cells. • hl503_01_v01fs

  5. Cell Size • Supersize Please • ________________ is one large cell • Value size • Most cells are _________________ • Why??? • Must have surface area to volume __________ • ____________ cell = more food/wastes • Surface area grows ________________ than volume • Not enough ____________ in and not enough wastes out!! • We get a big useless blob!!!

  6. Parts of a Cell • Cell ____________ (AKA: North Pole Walls and Guard Elves) • Protective layer that covers the cell’s surface and acts as a barrier • __________________ (AKA: A bowl full of jelly) • Fluid inside the cell • Organelles (AKA: the elves) • Perform __________________ inside the cell • Genetic Material (AKA: _______________) • All cells have ____________ at some point • Controls activities of a cell • Kept in a ______________ (AKA: Santa’s Office) • only in Eukaryotes • Humans- nucleus • ________________- no nucleus

  7. Two Kinds of Cells • _____________________- single celled organisms that do not have a nucleus or membrane bound organelles • Two Types • _____________ • _____________

  8. Bacteria Single celled Smallest cells known Live anywhere

  9. Archae • Single Celled • No Nucleus • Has: • Ribosomes • DNA • Cell membrane • Three types • ___________ loving • extremophile • ___________ loving • extremophile • ___________-making

  10. Eukaryotic Cells __________ Mitochondria • Largest cells • 10 times larger than bacteria • Still microscopic • Have a __________ • Membrane bound organelles • Many are multi-cellular • Examples • Animals • _____________ • Some protists • ____________ • Green algae • Fungi • Yeast Ribosomes __________ Nucleolus __________ Endoplasmic Reticulum __________ Cell membrane

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