What is the fastest-growing age group in the United States?
a. 21-30 years b. 35-50 years
c. Over 65 years d. Over 85 years
d
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The essential components needed to build a complete amino acid are
A. carbon, hydrogen, and oxygen. B. a pentose sugar, a phosphate group, and a nucleotide. C. carbon, an amine group, and an acid group. D. carbon, hydrogen, an amine group, an acid group, and a side chain.
The primary determinant of basal metabolic rate is an individual's
A. gender. B. fat tissue mass. C. lean tissue mass. D. age.
Compared to dry environments, evaporation of sweat is ________ in humid environments, resulting in ________ body cooling.
A. reduced; less B. increased; less C. reduced; more D. increased; more
A ________ remains when the nitrogen-containing portion of an amino acid is removed.
A. fatty acid B. dipeptide fragment C. carbon skeleton D. glucose molecule