Marla is a healthy 30-year-old woman. She doesn't work out, but she consumes protein supplements because she thinks they will increase her muscle mass without the need to exercise. Based on this information, the excess amino acids in her diet will be
A. undigested and unabsorbed by her intestinal tract.
B. converted into ammonia, which is eventually converted into urea by her kidneys.
C. metabolized for energy quickly.
D. deposited in her skeletal muscle tissue.
Answer: B
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The insoluble fiber that provides the main structural component of plant cell walls is
A) cellulose. B) mucilage. C) pectin. D) lignin.
The best time to buy affordable fresh fruits and vegetables is:
a. daily to ensure freshness. b. when they are in season. c. when they are reduced for clearance. d. early in the morning when they are first delivered to the store.
Social and cultural growth is measured by the child's ability to:
a. get along with others.
b. contribute to the family.
c. eat at the table with others.
d. handle frustration.
Obese women have a higher risk of breast cancer than lean women because:
a. excess adipose tissue raises levels of estrogen in the body. b. obese women eat high-fat diets. c. lean women exercise more. d. lean women have higher estrogen levels after menopause.