Multiple choice The body's requirement of protein (for an adult) is 10 gram per kilogram of body mass 100 gram per kilogram of body mass 0.1 gram per kilogram of body mass 0.01 gram per kilogram of body mass 1 gram per kilogram of body mass Reveal answer Fill a bubble to check yourself D Correct answer Explanation The body's requirement of protein (for an adult) is 1 gram per kilogram of body mass. The body's requirement of protein (for an adult) is 1 gram per kilogram of body mass.