The building blocks of an enzyme are?

/in /by

The building blocks of an enzyme are:
A. nucleotides
B. glycerol and fatty acids
C. monosaccharides
D. phosphate, glycerol, fatty acids
E. amino acids
All of the following are monosaccharides except
A. glucose
B. glycogen
C. fructose
D. ribose
E. deoxyribose