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5 Written Questions

5 Matching Questions

  1. Proteins regulate the acid-base balance of the blood by
    A) releasing an acid.
    B) binding sodium ions.
    C) releasing nitrogen.
    D) acting as buffers
  2. A hereditary condition caused by an incorrect amino acid in the amino acid sequence of a protein chain is
    A) kwashiorkor.
    B) edema.
    C) marasmus.
    D) sickle cell anemia.
  3. Which of the following is true about protein?
    A) It is made up of combinations of approximately 20 amino acids.
    B) It is made up of combinations of amino acids and fatty acids.
    C) It is unique in that it is the only dietary component that contains selenium.
    D) It is important primarily for increasing bone density.
  4. The basic structure of an amino acid is C carbon atom with four different elements/groups bonded to it. The carbon has a hydrogen atom attached, a carboxyl group (acid group), a __________ , and a generic "R" group, which identifies the amino acid.
    A) sulfhydryl group
    B) hydroxyl group
    C) amino group
    D) methyl group
  5. Jack weighs 176 pounds. What would be his RDA for protein?
    A) 27 grams
    B) 64 grams
    C) 80 grams
    D) 10 grams
  1. a A
  2. b B
  3. c C - amino group
  4. d D - sickle cell anemia
  5. e D - acting as buffers

5 Multiple Choice Questions

  1. C - pepsin
  2. B
  3. C - milk
  4. D - those with kidney disease
  5. incomplete

5 True/False Questions

  1. Approximately how many different amino acids are used in the synthesis of body proteins?
    A) 9
    B) 29
    C) 5
    D) 20
    D - 20

          

  2. _______________ is an important protein that acts as a hormone. It is produced by the beta cells of the pancreas.insulin

          

  3. In proteins, amino acids are joined by _______________ bondsDenaturation

          

  4. Which of the following is not true about pepsin?
    A) Acid activates pepsin.
    B) Pepsin works best in an alkaline environment.
    C) Pepsin acts on food in the stomach.
    D) Amino acid chains are the digestive products of its action.
    A

          

  5. Treating a protein with acid, heat, or agitation will cause _______________, meaning that the three-dimensional structure of the protein has been altered (it unfolds).peptide

          

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