General dietary guidelines for health that are similar to those of the U.S. have been developed for many countries, and usually include what concept(s)?
a. five food groups
b. using foods as medicine because of their intrinsic properties
c. balance and moderation
d. calorie restriction and physical activity
e. vitamin supplements
c
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A common genetic variation which causes a change in the amino acid sequence in the structure of hemoglobin leads to the disease ____
a. diabetes b. marasmus c. phenylketonuria d. sickle-cell anemia e. hemolytic anemia
What type of chemical is an enzyme?
A) protein B) lipid C) vitamin D) emulsifier
The chemical and mechanical processes by which the body breaks food down into individual nutrient molecules
A) digestion. B) chewing. C) absorption. D) mastication.
Peristalsis is controlled by the skeletal-muscular system.?
Indicate whether the statement is true or false