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5 Written questions

5 Matching questions

  1. What is the composition of a tripeptide?
  2. Which of the following would be classified as a polypeptide?
    a. 1 amino acid
    b. 3 amino acids bonded together
    c. 9 fatty acids bonded together
    d. 20 amino acids bonded together
  3. 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
  4. Protein-hydrolyzing ensymes are commonly known as
    a. proteases
    b. hydrolyzers
    c. prodigestins
    d. denaturases
  5. The application of heat or acid to a protein that causes its shape to change is known as
    a. stiffening
    b. condensation
    c. denaturation
    d. destabilization
  1. a b. Three amino acids bonded together
  2. b c. denaturation
  3. c d. 20 amino acids bonded together
  4. d d. Condensation
  5. e ...

5 Multiple choice questions

  1. b. secondary structure
  2. stomach
  3. b. can be synthesized by the body
  4. b. tripeptide
  5. b. Sulfur

5 True/False questions

  1. 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


  2. What is the simplest amino acid?
    a. valine
    b. glycine
    c. alanine
    d. methionine
    b. glycine


  3. 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
    c. Nitrogen


  4. Which of the following is not an essential amino acid in human nutrition?
    a. Proline
    b. Threonine
    c. Methionine
    d. Tryptophan
    b. It must be supplied by the diet


  5. Terms used to classify amino acids in the diet include all of the following except
    a. essential
    b. nonessential
    c. partially essential
    d. conditionally essential
    b. number of different amino acids