Which of the following has been shown to make bones weak?
a. Bed rest
b. Hospitalization
c. Sedentary lifestyle
d. Resistance exercise
e. a, b, and c
e
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Which of the following vitamins is a component of four carboxylase enzymes involved in carbohydrate, fat, and protein metabolism?
A. biotin B. thiamin C. niacin D. riboflavin
Constitutive enzymes are ____
A) ?uninfluenced by external stimuli B) ?influenced by external stimuli C) ?synthesized at variable rates D) ?unaffected by induction
Chromium deficiency is characterized by ____.?
A) ?hypertension B) ?hyperglycemia C) ?enlargement of the liver D) ?enlargement of the thyroid gland
Babies in North America are routinely screened for phenylketonuria (PKU). PKU is a disease characterized by the body's inability to convert the essential amino acid _____ to the nonessential amino acid _____.
Fill in the blank(s) with the appropriate word(s).