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5 Written questions

5 Matching questions

  1. intermediate filament
  2. spirochete
  3. granum
  4. cell wall
  5. central vacuole
  1. a rope-like assemblies of fibrous polypeptides in the cytoskeleton that provide support and strength to cells; A component of the cytoskeleton that includes all filaments intermediate in size between microtubules and microfilaments.
  2. b A membrane-enclosed sac occupying most of the interior of a mature plant cell, having diverse roles in reproduction, growth, and development.
  3. c strong wall outside a plant cell's plasma membrane that protects the cell and maintains its shape
  4. d A coiled, spiral-shaped bacterium that has endoflagella and flexes as it moves.
  5. e A stacked portion of the thylakoid membrane in the chloroplast; functions in the light reactions of photosynthesis.

5 Multiple choice questions

  1. organelle found in cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy (photosynthesis)
  2. organelle that controls all the activities of a cell and contains hereditary material made of DNA
  3. an area within a chloroplast that lies between the thylakoid membranes; serves as the site of the Calvin cycle in photosynthesis which involves the synthesis of carbohydrates
  4. ratio of a cell's outside area to its internal volume
  5. A sticky layer that surrounds the cell walls of some bacteria, protecting the cell surface and sometimes helping to glue the cell to surfaces.

5 True/False questions

  1. nuclear poreopening in the nuclear envelope that permits the passage of proteins into the nucleus and ribosomal subunits out of the nucleus


  2. coccusany spherical or nearly spherical bacteria


  3. secretiona functionally specialized substance (especially one that is not a waste) released from a gland or cell by exocytosis


  4. chromatinThe complex of DNA and proteins that makes up a eukaryotic chromosome. When the cell is not dividing, it exists as a mass of very long, thin fibers that are not visible with a light microscope.


  5. plasma membranefingerlike projections that create wavelike currents(peristalsis) in fluid surrounding the ovary to move the ovum into the uterine tube; Filamentous proteins on the surface of bacterial cells