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6 Written questions

5 Multiple choice questions

  1. this is a protein used to digest starch.
  2. the region where an enzyme binds to its substrate
  3. any substance that speeds up the rate of a chemical reaction without being used or changed in the reaction is a ________.
  4. this is a protein found in red blood cells that transports oxygen
  5. Our body makes 12 of the 20 required amino acids, however the other 8 are called ______________ amino acids because they must be obtained from the foods that we eat.

5 True/False questions

  1. enzymesthis is a protein used to digest starch.


  2. proteinsPolymers of molecules called amino acids


  3. keratinThis is a protein abundant in our skin, hair, and nails.


  4. 20There are __________ (number) amino acids that vary in shape, size, and chemical properties


  5. enzymesthese special proteins are involved in all life processes including digestion, energy storage, and release