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5 Written Questions

5 Matching Questions

  1. lysosomes
  2. cilla
  3. kinesin
  4. Matthias Schledeiden, Theodor Schwann, Virchow
  5. The Endomembrane System
  1. a Schledeinden (botanist)
    Schwann (zoologist)
    Virchow (put theory together)
    -Proposed the first 2 statements of the cell theory in 1838-39
  2. b short and numerous
  3. c -arise from the golgi complex
    -contain enzymes that break down macromolecules
    -function in intracellular digestion of worn out cellular components and substances taken into cells
    -resulting material is recycled
  4. d motor protein that moves vesicles to the cells periphery
  5. e -Extensive system of interior membranes that divides cell into compartments

5 Multiple Choice Questions

  1. -flattened stack of membranes that are scattered throughout the cytoplasm
    -depending on cell, number of golgi bodies range from a few to several hundred--referred to as the golgi complex
    -golgi complex collects, packages, modifies, and distributes molecules
  2. -Is associated with proteins
    -During cell division, condenses into chromosomes
    -After cell division, relaxes into chromatin
  3. -anchor and assmble microtubules
    -not found in plants or fungi
    -may have originated as symbiotic bacteria
  4. -a dense network of protein fibers that supports the shape of the cell and anchors organelles
    -3 different kinds of protein fibers: microfilaments, microtubules, and intermediate filaments
  5. -arise from ER
    -contain 2 sets of enzymes, one in plants-converts fats to sugars
    -other set is in animals-detoxifies various harmful molecules

5 True/False Questions

  1. The Plasma Membrane-Encases all living things
    -Its basic structure is represented by the fluid-mosaic model
    -Phospholipid bilayer with embedded proteins
    -In water, phospholipids spontaneously form a bilayer
    - Cell membranes contain zones called lipid rafts which are heavily enriched in cholesterol


  2. mitochondria-found in almost all eukaryotes
    -powerhouses of cell
    -extract energy from organic molecules through oxidative metabolism
    -sausage shaped organelles, about the size of a bacterial cell
    -like bacteria, they possess circular DNA and divide by simple fission


  3. extracellular matrix-offer protection and support
    -fungal cell walls are made of chitin
    -plant cell walls are made of cellulose


  4. cell walls-offer protection and support
    -fungal cell walls are made of chitin
    -plant cell walls are made of cellulose


  5. Robert Hooke(1665)
    -Examined a thin slice of cork tissue
    -Observed honeycombed compartments he called cellulae
    -Term became cells


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