Protein needs continue to increase until about age 24 years because
a. height continues to increase.
b. lean body mass continues to increase.
c. protein metabolism becomes less efficient.
d. higher protein intake prevents conversion of muscle to body fat.
B
Protein needs continue to increase until about age 24 years because lean body mass continues to increase in both men and women. This increase in lean body mass is not necessarily accompanied by an increase in height. Efficiency of protein metabolism is not diminished at this age. Exercise, rather than higher protein intake, prevents conversion of muscle to body fat.
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