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5 Written questions

5 Matching questions

  1. acid
  2. cellulose
  3. radioactive
  4. pH scale
  5. ionic bond
  1. a What compounds have a pH of below 7?
  2. b The measurement system to indicate the concentrations of H+ ions in solution.
  3. c Formed when one or more electrons are transferred from one atom to another.
  4. d An isotope whose nuclei are unstable and break down at a constant rate over time.
  5. e Type of polysaccharide that is found in the cell wall of plants.

5 Multiple choice questions

  1. "cell eating"
  2. solution when water leaves a cell from high to low
  3. reproduce, use energy, made of cells, has DNA, grows and develops, responds to stimulus
  4. Type of cell that does not have a nucleus
  5. Act of noticing and describing events or processes in a careful, orderly way.

5 True/False questions

  1. hypotonicsolution when water leaves a cell from high to low


  2. hypothesis2. Scientific explanation for a set of observations that can be tested in ways that support or reject it.


  3. Endoplasmic ReticulumOrganelle that transports proteins through the cell


  4. amino acidsWhat compounds have a pH of below 7?


  5. suspensionsmixtures of water and nondissolved material