14. The unit molecules (monomers) of carbohydrates are
a. monosaccharides.
b. amino acids.
c. nucleic acids.
d. fatty acids.

15. The bond between amino acids is a(n)
a. ionic bond.
b. peptide bond.
c. hydrogen bond.
d. covalent bond.

16. Glucose and fructose are examples of
a. monosaccharides.
b. disaccharides.
c. polysaccharides.
d. lipids.