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5 Written questions

5 Matching questions

  1. transport vesicles
  2. prokaryotic cell
  3. smooth er
  4. nuclear lamina
  5. central vacuole
  1. a vesicles in transit from one part of the cell to another
  2. b surface lacks ribosomes
  3. c the DNA is concentrated in the nucleoid
  4. d a netlike array of protein filaments that maintains the shape of the nucleus by mechanically supporting the nuclear envelope
  5. e develops by the coalescence of smaller vacuoles themselves derived from the GA and ER.

5 Multiple choice questions

  1. consists of a network of membranous tubules and called cisternae. Site for protein synthesis.
  2. the interior of a prokaryote cell
  3. membrane-bounded vesicles formed by phagocytosis
  4. visible light is passed through the specimen and then through glass lenses
  5. sacs made of membrane

5 True/False questions

  1. transmission electron microscopean electron beam scans the surface of the sample. The beam excites electrons on the surface and these secondary electrons are detected. The result is the image


  2. cell fractionationtakes cells apart and separates the major organelles and other sub cellular structures from one another.


  3. rough ersurface lacks ribosomes


  4. nucleolusregion that is not membrane enclosed


  5. nucleoida prominent structure within the nondividing nucleus which appears through the electron microscope as a mass of densely stained granules of fibers adjoining part of the chromatin.