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5 Written Questions

5 Matching Questions

  1. microtubule
  2. plasma membrane
  3. cell wall
  4. nucleoid
  5. peroxisome
  1. a Region in prokaryotic cell where DNA is concentrated, not enclosed by membrane
  2. b strong wall outside a plant cell's plasma membrane that protects the cell and maintains its shape
  3. c thin outer boundary of a cell composed of a bilayer of phospholipids in which proteins are embedded that regulates the traffic of chemicals between the cell and its surroundings
  4. d A hollow rod of tubulin protein in the cytoplasm of all eukaryotic cells and in cilia, flagella, and the cytoskeleton.
  5. e enzyme-filled vesicle in which fatty acids and amino acids are metabolized to hydrogen peroxide that is broken down to harmless products

5 Multiple Choice Questions

  1. A structure in an animal cell composed of cylinders of microtubule triplets arranged in a 9 + 0 pattern. An animal cell usually has a pair of centrioles involved in cell division.
  2. A type of cell lacking a membrane-enclosed nucleus and membrane-enclosed organelles; found only in the domains Bacteria and Archaea.
  3. membrane-bound sac that buds from the endoplasmic reticulum or the Golgi apparatus, storage structures for food, water, minerals, waste
  4. protein that moves along either actin filaments or microtubules and translocates organelles
  5. any spherical or nearly spherical bacteria

5 True/False Questions

  1. vesicleA sticky layer that surrounds the cell walls of some bacteria, protecting the cell surface and sometimes helping to glue the cell to surfaces.

          

  2. basal bodyA sticky layer that surrounds the cell walls of some bacteria, protecting the cell surface and sometimes helping to glue the cell to surfaces.

          

  3. rough endoplasmic reticulumA network of membranes inside eukarytoic cells invovled in lipid synthesis (steroid in gonads), detoxification (in liver cells), and/or Ca2+ storage (muscle cells); lacks ribosomes on the surface

          

  4. surface-area-to volume ratioratio of a cell's outside area to its internal volume

          

  5. chloroplasttype of plastid that synthesizes and stores red, yellow, and orange pigments, responsible for colors of many fruits and flowers

          

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