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4 Written questions

4 Multiple choice questions

  1. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected
  2. The specific portion of an enzyme that attaches to the substrate by means of weak chemical bonds.
  3. the substance acted upon by an enzyme or ferment
  4. the elements or compounds produced by a chemical reaction

3 True/False questions

  1. Metabolism:the organic processes (in a cell or organism) that are necessary for life

          

  2. Reactants:(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

          

  3. Energy:proteins that speed up chemical reactions in the body