NAME: ________________________

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5 Written Questions

5 Matching Questions

  1. What is the composition of a tripeptide?
  2. What type of reaction is required to bind two molecules of glycine together and release a molecule of water?
    a. Hydrolysis
    b. Deamination
    c. Denaturation
    d. Condensation
  3. Protein-hydrolyzing ensymes are commonly known as
    a. proteases
    b. hydrolyzers
    c. prodigestins
    d. denaturases
  4. What is the simplest amino acid?
    a. valine
    b. glycine
    c. alanine
    d. methionine
  5. An example of a protein with quaternary polypeptide structure is
    a. insulin
    b. typtophan
    c. hemoglobin
    d. disulfide bridges
  1. a c. hemoglobin
  2. b b. glycine
  3. c b. Three amino acids bonded together
  4. d ...
  5. e d. Condensation

5 Multiple Choice Questions

  1. b. an essential mineral
  2. a. pepsin
  3. b. number of different amino acids
  4. c. denaturation
  5. b. stomach

5 True/False Questions

  1. What process results in the hardening of an egg when it is exposed to heat?
    a. solidification
    b. denaturation
    c. condensation
    d. protein interaction
    a. Proline


  2. When two amino acids are chemically joined together, the resulting structure is called a
    a. dipeptide
    b. diglyceride
    c. polypeptide
    d. disaccharide
    b. tripeptide


  3. What is the name of the inactive form of the protein- splitting enzyme in the stomach?
    a. peptidase
    b. propepsin
    c. pepsinogen
    d. propeptidase
    c. pepsinogen


  4. In comparison to the composition of carbohydrates and fats, which element found in proteins makes them unique?
    a. Carbon
    b. Oxygen
    c. Nitrogen
    d. Hydrogen
    b. number of different amino acids


  5. The weak electrical attractions within polypeptide chains account for the protein's
    a. primary structure
    b. secondary structure
    c. tertiary structure
    d. quaternary structure
    b. secondary structure


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