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5 Written questions

5 Matching questions

  1. flagella
  2. cell movement
  3. Nucleus
  4. DNA
  5. peroxisomes
  1. a -arise from ER
    -contain 2 sets of enzymes, one in plants-converts fats to sugars
    -other set is in animals-detoxifies various harmful molecules
  2. b -Command center of the cell; directs all activities
    -Stores hereditary information
  3. c long and few in number
  4. d -all cell motion is tied to movement of microfilaments and microtubules
    -changes in shape of microfilaments: enables some cells to change shape quickly, allow some cells to crawl and animal cells to divide
  5. e -Is associated with proteins
    -During cell division, condenses into chromosomes
    -After cell division, relaxes into chromatin

5 Multiple choice questions

  1. motor protein that moves vesicles to the cells periphery
  2. -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. -All organisms are composed of one or more cells
    -Cells are the smallest living things
    -Cells arise only by division of a preiviously existing cell
  4. -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
  5. -Extensive system of interior membranes that divides cell into compartments

5 True/False questions

  1. Endoplasmic Recticulum-internal membrane system creating channels and membrane bound organelles
    -consists of 2 regions: Smooth ER-embedded with enzymes and involved with lipid and carbohydrate systhesis
    -rough ER-studded with ribosomes and involved with protein

          

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

          

  3. The Prokaryotic Membrane-There are two major kinds of cells: prokaryotes and eukaryotes

          

  4. Eukaryotes-Include bacteria and archaea
    -Over 5,000 species are recognized
    -3 main shapes: rod, spiral, and spherical
    -Lack nucleus and organelles

          

  5. Cell Size-offer protection and support
    -fungal cell walls are made of chitin
    -plant cell walls are made of cellulose

          

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