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5 Written questions

5 Matching questions

  1. Hydronium
  2. modern cell theory
  3. coarse objective
  4. prokaryote
  5. hydrolosis reaction
  1. a H 0
  2. b used on low power, focuses big things
  3. c a single-celled organism that does not have a nucleus or membrane-bound organelles; examples are archaea and bacteria
  4. d Polymer to monomer, adding water
  5. e 1. All living things are made up of cells
    2. Cells are the basic structural and funtional unit of
    3. All cells come from other cells

5 Multiple choice questions

  1. elements-C,H,O(1:2:1)
    polymer-polysaccharides, complex carbs
    fuction-provide energy
  2. Made up of cells, Reproduction, Based on a genetic code, growth and development, need for materials and energy, response to the environment, homeostasis, evolution
  3. 1. All living things are made up of cells
    2. Cells are the basic structural and funtional unit of life
    3.cells spontaneously generate
  4. structure of membrane, two sheets of lipid molcules with tails pointed inward, proteins embedded in bilayer (serve as channels) along with carbohydrate molecules
  5. a value that indicated the acidity or alkalinity of a solution on a scale of 0-14, based on the proportion of H+ ions.

5 True/False questions

  1. bufferan ionic compound that resists changes in its pH


  2. cytoskeletona network of fibers that holds the cell together, helps the cell to keep its shape, and aids in movement


  3. experimental groupin an experiment, the group that is not exposed to the treatment; contrasts with the experimental group and serves as a comparison for evaluating the effect of the treatment.


  4. cell membranea rigid layer of nonliving material that surrounds the cells of plants and some other organisms


  5. adhesionan attraction between molecules of the same substance


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