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Which of the following proteins inactivates foreign bacteria and viruses?
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NutritionTest2(4-6)
Chap 4-6
Question | Answer |
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Which of the following proteins inactivates foreign bacteria and viruses? | Antibodies |
Jim, a college baseball player, tells you that he has started to take glutamine supplements. How would you advise him? | Since single amino acids do not occur naturally in foods, they offer no benefit to the body and may even be harmful |
Upon eating a hamburger, in what organ is the hydrolysis of its proteins initiated? | Stomach |
Which of the following is not considered to be a source of high-quality protein in human nutrition | Corn |
Which of the following is not an essential amino acid in human nutrition? | Proline |
What is the structure of an enzyme? | Protein |
Which of the following describes a process in protein synthesis? | The code to make a protein is carried by a strand of messenger RNA |
Which of the following is a feature of whey protein? | It is a waste product of cheese production |
Of the following sources of amino acids, which would be best absorbed in normal, healthy people? | |
Proteins, because they attract hydrogen ions, can act as | buffers |
The disease phenylketonuria is related chiefly to abnormal metabolism of | a certain amino acid |
In what organ is pepsin active? | Stomach |
Approximately what percentage of children worldwide have protein-energy malnutrition? | 25 % |
What digestive enzyme would be most affected in people who are unable to produce hydrochloric acid? | Pepsin |
The application of heat or acid to a protein that causes its shape to change is known as | denaturation |
What is the name of the inactive form of the protein-splitting enzyme in the stomach? | pepsinogen |
Approximately how many different amino acids are used in the synthesis of body proteins? | 20 |
What is the chief function of pepsin? | Cleaves proteins into small polypeptides |
In comparison to the composition of carbohydrates and fats, which element found in proteins makes them unique? | Nitrogen |
What process results in the hardening of an egg when it is exposed to heat? | Denaturation |
All of the following are contained in an amino acid excep | an aldehyde group |
Which of the following illustrates a deamination reaction? | Removal of the amino group from an amino acid |
Which of the following statements describes the glycemic index of foods? | A way of ranking foods according to their potential to increase blood glucose |
Which of the following fibers is water insoluble? | Cellulose |
What is the primary function of insulin? | Lowers Blood Glucose Levels |
Which of the following is a feature of aspartame? | Two of its breakdown products include methanol and formaldehyde |
What is stevia | an herb derived sweetner |
Which of the following is not a feature of high-fiber foods? | Provide more energy per gram than processed foods |
How many carbon atoms are found in most common dietary monosaccharides? | 6 atoms |
All of the following are sources of dietary carbohydrates except | fish |
The types of atoms found in a glucose molecule include all of the following except | nitrogen |
Which of the following is known to correlate most strongly with reduced risk of deaths from heart disease? | High Fiber Intake |
What are cellulose, pectin, hemicellulose, and lignin? | Fibers |
What is the chief reason that many people with lactose intolerance can consume foods containing some lactose without suffering any symptoms? | a change occurs in the GI bacteria |