The nine essential amino acids
A) can be made by the body.
B) are present in a wide variety of fruits.
C) must come from the diet.
D) are not necessary for protein synthesis.
ANS: C
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Once muscles and the liver have stored all the glycogen possible, any excess glucose will be stored in the form of
A) protein. B) insulin. C) starch. D) fat.
Which of the following observations is an example of a positive correlation?
A. When a population's level of physical activity increases, the percentage of people who develop heart disease decreases. B. When a population's level of vitamin C in white blood cells increases, the percentage of people in the population who develop scurvy decreases. C. When a population's vitamin D intake decreases, the percentage of people in the population that have healthy immune systems decreases. D. When a population's intake of plant foods decreases, the percentage of obese people in that population increases.
In adults, a deficiency of folic acid will eventually result in:
a. neural tube defects. b. renal tube defects. c. megaloblastic anemia. d. iron-deficiency anemia.
To distinguish eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) from alpha-linolenic acid (ALA), what term is often used?
A) animal-based omega-3 B) fish-based omega-3 C) marine omega-3 D) aquatic omega-3