The three common components of all amino acids are: a central carbon atom bonded to a hydrogen atom, a carboxylic acid group, and

A. a common side-chain group.
B. a sulfur-containing amino group.
C. a nitrogen-containing amino group.
D. a positively charged R-group.


C

Nutritional Science

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Why does use of the BMI overestimate the prevalence of obesity in the African-American population

a. Blacks have a higher average height than whites. b. Blacks have denser bones and higher body protein concentrations than whites. c. Blacks tend to have different proportions of brown and white adipose tissue than whites. d. The fat pads in blacks are situated primarily around the hips, whereas in whites the pads are primarily abdominal. e. Blacks have both lower average height and higher average weight than whites.

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Which of the following is an important function of selenium?

a. Helps blood to clot b. Inhibits the formation of free radicals c. Stabilizes the alcohol content of beer d. Acts as a cross-linking agent in collagen e. Is an important natural food preservative

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Cold foods should be kept at _____ degrees or lower

a. 30 b. 40 c. 50 d. 60

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Which of the following statements about vitamins is true?

a. They are inorganic. b. They facilitate the release of energy from the other three organic nutrients. c. They are the medium in which all of the body's processes take place. d. They provide energy to the body.

Nutritional Science