Which of the following is true regarding "qualified" health claims?
a) They result from significant scientific agreement.
b) They must be accompanied by a statement of explanation.
c) Their use on food labels does not require FDA approval.
d) They can only be used on dietary supplements.
Ans: b) They must be accompanied by a statement of explanation.
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Like DNA methylation, histone modification is a form of epigenetic regulation.
Answer the following statement true (T) or false (F)
Feces are composed mainly of bacteria, mucosal cells, mucus, and:
a. bile. b. enzymes. c. fiber. d. chyme.
Answer the following questions true (T) or false (F)
1. Food is propelled through the GI tract by weak and gentle muscular contractions. 2. The excretory system filters blood and eliminates waste material. 3. Many enzymes are proteins catalyze chemical reactions, and remain unchanged by the reactions.
The test for celiac disease _____
a. can be performed when an individual is on a gluten-free diet b. must be undertaken when individuals are on their normal, non-gluten-free diet c. tests for high levels of blood glucose d. tests for insulin antibodies e. cannot make use of genetic markers since the disease is not hereditary