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5 Written questions

5 Matching questions

  1. cell fractionation
  2. evolution
  3. responding variable
  4. electron microscope
  5. biology
  1. a technique in which cells are broken into pieces and the different cell parts are separated
  2. b science that seeks to understand the living world
  3. c factor which may change in response to manipulated variable; dependent variable
  4. d microscope that forms an image by focusing beams of electrons onto a speciman
  5. e change in a kind of organism over time

5 Multiple choice questions

  1. organized way of using evidence to learn about the natural world
  2. group of cells grown in a nutrient solution from a single original cell
  3. factor in an experiment purposely changed; independent variable
  4. process by which cells from two different parents unite to produce the first cell of a new organism
  5. test of effect of single variable, changing it while keeping all others the same

5 True/False questions

  1. cellcollection of living matter enclosed by a barrier that separates the cell from its surroundings, basic unit of life


  2. metabolismset of chemical reactions through which an organism builds up or breaks down materials as it carries out its life processes


  3. spontaneous generationuse of one or more of the senses to gather information


  4. homeostasisprocess by which organisms maintain a relatively stable internal environment


  5. stimulussignal to which an organism responds