How is vitamin E thought to play a role in reducing the risk of heart disease?
a. It slows oxidation of low-density lipoproteins.
b. It interferes with cholesterol synthesis by the liver.
c. It inhibits absorption of dietary cholesterol.
d. It enhances the inflammatory response.
e. It speeds removal of blood cholesterol by the liver.
Answer: a. It slows oxidation of low-density lipoproteins.
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A person who promotes the use of ginseng, garlic, and fish oil as the cure for cancer is practicing quackery.
Answer the following statement true (T) or false (F)
Amino acids that cannot be manufactured by the body are characterized as
A. transaminated. B. transcribed. C. nonessential. D. essential.
What describes the basic function of a coenzyme??
A) ?It attaches to RNA to assist in the synthesis of an enzyme. B) ?It attaches to cell membranes to assist in uptake of an enzyme. C) ?It attaches to an enzyme and allows a chemical reaction to take place. D) ?It attaches to an enzyme, which allows for transport of the enzyme through the circulation.
Which of the following is a characteristic of carotenoids in foods?
a. They are found in many vegetables and fruits b. Most carotenoids can be converted to vitamin A c. Carotenoid absorption is inhibited by foods rich in chlorophyll d. The carotenoid with the highest conversion rate to vitamin A is lycopene