For exercises $42-63$ choose one of the following terms to match the description given.
a. aldohexose
b. saliva
c. antibody
d. cellulose
e. $\mathrm{CH}_{2} \mathrm{O}$
f. cysteine
g. denaturation
h. disaccharides
i. disulfide
j. DNA
k. enzymes
l. fibrous
m. globular
n. glycogen
o. glycoside linkage
p. hormone
q. hydrophobic
r. inhibition
s. ketohexoses
t. oxytocin
u. pleated sheet
v. polypeptide
w. polysaccharides
x. primary structure
y. substrate
z. sucrose
animal polymer of glucose