What have researchers learned about the causes of obesity from studying identical twins separated at birth?
a. Genetics contributes 60% risk, lifestyle contributes 40% risk
b. Genetics contributes 50% risk, lifestyle contributes 50% risk
c. Genetics contributes 40% risk, lifestyle contributes 60% risk
d. Genetics contributes 30% risk, lifestyle contributes 70% risk
b
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Leaving ice cream in a refrigerator for approximately 15 minutes allows it to reach the optimal serving temperature
Indicate whether the statement is true or false
What is sarcopenia?
a. Loss of central visual activity b. Loss of muscle mass and strength c. Aging-induced chronic inflammation of the stomach d. Intestinal dysmotility from excessive use of laxatives e. Paralysis of GI tract muscles
The density of lipoproteins is determined by the relative amounts of
A. long-chain and short-chain fatty acids. B. phospholipids and triglycerides. C. triglycerides and cholesterol. D. lipids and proteins.
The developmental phase MOST characterized by rapid physical growth, changes in body composition, greater body image self-consciousness, and increasing independence is
A) adolescence. B) childhood. C) infancy. D) toddlerhood.