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4 Written questions

4 Multiple choice questions

  1. the organic processes (in a cell or organism) that are necessary for life
  2. (chemistry) a process in which one or more substances are changed into others
  3. proteins that speed up chemical reactions in the body
  4. the elements or compounds that enter into a chemical reaction

3 True/False questions

  1. Products:(adenosine triphosphate) main energy source that cells use for most of their work


  2. Active site:The specific portion of an enzyme that attaches to the substrate by means of weak chemical bonds.


  3. Substrate:the substance acted upon by an enzyme or ferment


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