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Types of Cells and Cell Structures Part 1
Pre – AP Biology Types of Cells and Cell Structures Part 1
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Henri Dutrochet Cell is the basic unit of life
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Theodor Schwann All animals are composed of cells
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Matthias Schleiden All plants are composed of cells
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Rudolf Virchow All cells come from pre-existing cells
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Robert Hooke His simple microscope
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Anton von Leeuwenhoek Compound microscope
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Anton’s Microscope
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Modern Light Microscopes
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Microscopic Resolution
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Different types of light microscopes
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Electron Microscope They can be very large and expensive
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Inside an electron microscope
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Images from an electron microscope Transmission (left)/Scanning (right)
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Prokaryotic Cell Structure
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Eukaryotic Cell (plant)
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Eukaryotic Cell (animal)
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Surface Area to Volume relationship
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Types of Cells and Cell Structures Part 2
Pre – AP Biology Types of Cells and Cell Structures Part 2
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Nucleus Structure
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Chromatin vs. Chromosomes appearance within the cell.
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Ribosome Structure
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Types of Cells and Cell Structures Part 3
Pre – AP Biology Types of Cells and Cell Structures Part 3
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Endoplasmic Reticulum
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Golgi Apparatus
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Lysosomes
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Central Vacuole of a plant
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Contractile Vacuole of aquatic single celled organisms Used to get rid of excess water so that the cell does not burst
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Endocytosis
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Mitochondrial Structure Notice the two different “spaces”
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Chloroplast Structure Notice the two different “spaces”
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Lynn Margulis
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Endosymbiont Hypothesis
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Types of Cells and Cell Structures Part 4
Pre – AP Biology Types of Cells and Cell Structures Part 4
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Cytoskeleton
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Microtubules - Centrioles
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Microtubules – Cilia or Flagella
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Microfilaments used in various cells for movement
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Actin and Myosin in Muscle tissue
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Muscle Tissue under the Microscope Can you see the actin and myosin bands?
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Plant cell wall structure
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Extra-cellular matrix of animal cells
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Cellular junctions helping to make tissues from individual cells
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Cells from your lung tissues
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Junctions between plant cells
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Cells are the sum of it’s parts They need all parts to function properly
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