In What Way Are the Essential Amino Acids Different from Nonessential

Multiple Choice

In what way are the essential amino acids different from nonessential amino acids?

A) Nonessential amino acids are not necessary for any proteins we make.
B) Nonessential amino acids are not absorbed by the digestive tract.
C) Essential amino acids cannot be made and must be obtained from food.
D) Essential amino acids are the ones exclusively used to make enzymes.