Nutrition Proctored Exam 1
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1. On a daily basis, American men and women need to less protein.
consume
2. The specific sequence of amino acids determines the function
specific ________ of the protein.
3. Gastrin stimulates the release of ________ from the hydrocholoric acid
parietal cells and the inactive enzyme pepsinogen
from the chief cells.
4. Protein consumption is linked to maintenance of fluid bal-
ance.
5. During digestion, proteins are broken down into enzymes
amino acids with the help of gastric juices, ________
in the stomach, small intestine, pancreas and small
intestinal lining.
6. Nine of the ________ amino acids that the body uses to 20
make protein are classified as essential amino acids.
7. Which substance denatures the protein and converts hydrochloric acid
pepsinogen to pepsin, which breaks polypeptides into
shorter chains?
8. Who among the following has higher protein needs? athletes
9. A peptide bond forms by condensation when the release
acid group (COOH) and amine group of two different
amino acids join and ________ a molecule of water.
10. High animal protein diets are linked to heart disease, and kidney
problems.
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, Nutrition Proctored Exam 1 (New 2026/2027 Update) Questions & Answers.
Nutrition Proctored Exam 1
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11. During protein digestion, cholecystokinin from the pancreas
duodenum stimulates release of trypsinogen, car-
boxypeptidase, and chymotrypsinogen from the
12. The action of proteases results in the formation of tripeptides and dipep-
tides.
13. Although carbohydrates, lipids and proteins all con- a nitrogen-containing
tain carbon, hydrogen and oxygen, only proteins con- amine group.
tain
14. Between amino acids, the ________ bonding causes the hydrogen
straight chain to fold, twist, and coil.
15. Amino acids are linked into unique chains by ________ peptide
bonds.
16. What percent of daily energy intake should be con- 10-35
sumed as protein?
17. Protein is different to carbohydrates and fats because nitrogen
proteins contain
18. After they have been absorbed, amino acids are fat
used to synthesize new proteins or are converted to
nonessential amino acids, ATP, glucose, or
19. When is a healthy body in nitrogen balance? When protein intake
equals the amount of ni-
trogen excreted.
20. The best way to improve the protein quality of incom- add the right plant pro-
plete plant proteins is to teins.
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, Nutrition Proctored Exam 1 (New 2026/2027 Update) Questions & Answers.
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21. The large molecules which are made up of chains of proteins.
amino acids and found in all living cells are called
22. Vegetarians would benefit from eating complete pro- dried beans, nuts, soy.
teins such as
23. Beating egg whites to make meringue is an example denaturing a protein.
of
24. Dipeptidases and tripeptidases hydrolyze the tripep- liver.
tides and dipeptides into single amino acids that are
readily absorbed through the enterocytes via the por-
tal vein to the
25. How is nitrogen in the amine group processed? It is converted to urea and
excreted in urine.
26. American men consume more protein than
women.
27. Heat, acids, bases, salts, or mechanical agitation can denature
unfold, change the shape or ________ proteins but
none of these factors changes the primary structure
of the protein.
28. Which of the following foods are more digestible? egg
29. Amino acid pools act as a reservoir for protein synthesis.
30. How many grams of protein should adults consume 0.80
for each kilogram of body weight?
31. During absorption, amino acids pass through enterocytes.
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