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4 Written questions

4 Multiple choice questions

  1. (adenosine triphosphate) main energy source that cells use for most of their work
  2. the substance acted upon by an enzyme or ferment
  3. (chemistry) a process in which one or more substances are changed into others
  4. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

3 True/False questions

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


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


  3. Products:the elements or compounds produced by a chemical reaction


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