nutrition ch. 6 terms.txt

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jlue93
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207735
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nutrition ch. 6 terms.txt
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2013-03-17 03:27:20
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  1. Sickle-cell disease is an example of an inherited mistake in the amino acid sequence.
    true
  2. Sound nutrition authorities acknowledge that well-chosen vegetarian diets are consistent with good health and can meet nutrient needs.
    true
  3. Which of the following is found in protein but not in carbohydrate or fat?
    nitrogen
  4. How many amino acids are considered to be essential amino acids?
    9
  5. A(n) ____ bond is formed between the amine group end of one amino acid and the acid group end of the next amino acid in a protein.
    peptide
  6. Which of the following is a protein catalyst which acts on other substances to change them chemically?
    enzyme
  7. All of the following are needed for the body to synthesize protein except
    amino acid supplements
  8. Negative nitrogen balance occurs in
    a surgery patient
  9. The DRI for protein for healthy adults is ____ grams per kilogram of body weight.
    .8
  10. Which of the following is a feature of an essential amino acid?
    It must be supplied by the diet
  11. What is the composition of a tripeptide?
    Three amino acids bonded together
  12. what is meant by the amino acid sequence of a protein?
    Order of amino acids in the peptide chain
  13. What is the usual fate of orally ingested enzyme supplements?
    Digested by gastrointestinal proteases
  14. When nitrogen taken into the body exceeds nitrogen losses, we say the person is in
    positive nitrogen balance.
  15. The body's amino acid pool consists of
    both essential and nonessential amino acids
  16. What is the percent digestibility of most plant proteins?
    70-90
  17. What is the process by which heat or acidity disrupts the normal shape of a protein chain?
    denaturation
  18. What percentage of dietary protein is hydrolyzed in the mouth?
    0
  19. Which of the following proteins inactivates foreign bacteria and viruses?
    antibodies
  20. Which of the following food groups does not provide significant protein?
    proteins

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