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5 Written questions

5 Matching questions

  1. kinesin
  2. Prokaryotes
  3. cell movement
  4. extracellular matrix
  5. the cytoskeleton
  1. a motor protein that moves vesicles to the cells periphery
  2. b -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
  3. c -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
  4. d -Include bacteria and archaea
    -Over 5,000 species are recognized
    -3 main shapes: rod, spiral, and spherical
    -Lack nucleus and organelles
  5. e -a mixture of glycoproteins secreted by animal cells
    -helps coordinate the behavior of all cells in tissue

5 Multiple choice questions

  1. short and numerous
  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. -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
  5. -Extensive system of interior membranes that divides cell into compartments

5 True/False questions

  1. flagellashort and numerous

          

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

          

  3. centrioles-Appeared about 1.5 billion years ago
    -Include all cells alive today except bacteria and archaea
    -Are larger than proaryotic cells
    -Have a more complex archetecture
    -Possess a nucleus and a variety of organelles

          

  4. DNAshort and numerous

          

  5. endosymbiotic theory-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