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4 Written questions

4 Multiple choice questions

  1. the elements or compounds that enter into a chemical reaction
  2. Energy needed to start a reaction
  3. (adenosine triphosphate) main energy source that cells use for most of their work
  4. the substance acted upon by an enzyme or ferment

3 True/False questions

  1. Active site:(chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

          

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

          

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

          

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