Which of the following CORRECTLY matches one of the aging theory subcategories to one of the two broad categories of aging theories (the programmed theory or the damage or error theory)?
a. protein cross-linking theory-programmed theory
b. immunological theory-damage or error theory
c. epigenetic theory-programmed theory
d. free radical theory-damage or error theory
Ans: d. free radical theory-damage or error theory
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The first sign of dehydration is: a. headache
b. confusion. c. thirst. d. fatigue. e. stomachache.
Obesity for adults is defined as a body mass index (BMI) between 25 and 29.9
Indicate whether the statement is true or false
The protein component that attaches itself to lipoproteins and has a significant effect on function is:
a. cholesterol. b. apolipoprotein. c. lipoprotein lipase. d. phospholipid.
Insulin can reduce blood glucose levels because it:
A) promotes the synthesis of glucose from noncarbohydrate sources. B) promotes the storage of glucose as glycogen in liver and skeletal muscle cells. C) stimulates the splitting of glucose into pyruvate molecules. D) stimulates the breakdown of energy-storing glycogen molecules in the liver into glucose.