Gastric juices denature proteins and cause a change in the ____.
A) function
B) nitrogen content
C) structure
D) amino acid sequence
Q. 2An enzyme is a protein that ____.
A) regulates metabolic processes
B) speeds up (catalyzes) chemical reactions
C) helps the body to achieve acid-base balance and optimal pH
D) helps maintain fluid balance
Q. 3The quaternary (3rd level) structure of the protein determines its ____.
A) function
B) shape
C) rigidity or stability
D) ability to bind with other compounds
Q. 4The secondary (2nd level) structure of the protein determines its ____.
A) function
B) shape
C) rigidity or stability
D) ability to bind with other compounds
Q. 5The primary (1st level) structure of the protein determines its ____.
A) function
B) shape
C) rigidity or stability
D) ability to bind with other compounds
Q. 6Which of the following is an example of a complete protein?
A) Egg whites
B) Legumes
C) Whole grains
D) Vegetables
Q. 7A food protein that contains all of the indispensable amino acids in the proper amounts and proportions to support growth is known as a(n) ____.
A) complete protein
B) complementary protein
C) incomplete protein
D) indispensable protein
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