For adults age 19–50, dietary guidelines recommend consuming at least of vegetables and fruits daily.
a. 3 cups
b. 1 to 2 cups
c. 4 to 5 cups
d. ½ cup

The real advantage to hydrostatic weighing is that it a. can be done anywhere with no equipment b. gives one of the most accurate measurements of body fat c. uses calipers to measure body fat select the best answer from the choices provided.

Which of the following represents a difference between viruses and viroids? a) viruses infect many types of cells, whereas viroids infect only prokaryotic cells.b) viruses have capsids composed of protein, whereas viroids have no capsids.c) viruses have genomes composed of rna, whereas viroids have genomes composed of dna.d) viruses cannot pass through plasmodesmata, whereas viroids can.

Describe the structure of a monosaccharide and name the three monosaccharides important in nutrition.