Which of the following nutrients acts as a methyl donor during RNA replication and gene expression?
A. sodium
B. potassium
C. choline
D. calcium
E. vitamin D
Answer: C
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The presence of small polypeptides and amino acids in the small intestine causes specialized cells there to release the hormone _____
a. gastrin b. pepsin c. cholecystokinin d. trypsin
Which of the following has the best scientific evidence supporting the claim?
a. High-carbohydrate meals decrease appetite. b. Low-carbohydrate diets reduce fat intake. c. High-carbohydrate diets increase LDL cholesterol production. d. Very-low-carbohydrate diets can reduce short-term memory.
What is the percentage of European and North American adults who suffer from autoimmune diseases?
a. 3% b. 5-7% c. 9% d. 10-12% e. 14%
What would be the approximate weight gain of a person who consumes an excess of 500 kcalories daily for one month?
a. 0.5 lb b. 2 lbs c. 3 lbs d. 4 lbs e. 8 lbs