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3 Written questions

3 Multiple choice questions

  1. a biological catalyst that lowers the activation energy of reactions in cells
  2. the minimum amount of energy needed to start a reaction
  3. a reaction that releases energy in the form of heat

2 True/False questions

  1. catalysta biological catalyst that lowers the activation energy of reactions in cells

          

  2. concentrationa material that increases the rate of a reaction by lowering the activation energy