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6 Written questions

5 Multiple choice questions

  1. special proteins that act as biological catalysts to speed up chemical reactions that take place in cells
  2. any substance that speeds up the rate of a chemical reaction without being used or changed in the reaction is a ________.
  3. Polymers of molecules called amino acids
  4. This is a protein abundant in our skin, hair, and nails.
  5. the substance an enzyme acts on

5 True/False questions

  1. amino acidsThe monomers of proteins are _________ _________.


  2. carbon, hydrogen, nitrogen, oxygenThe elements found in proteins are... (alphabetical order separated by comas)


  3. active sitethe region where an enzyme binds to its substrate


  4. lactasethis is a protein used to digest starch.


  5. proteinscomplex polymers made up of carbon, hydrogen, oxygen, and nitrogen