Well, probably not all amino acids that we eat are essential, but by definition the ones we need and can a only get from food are called "essential".
The question was badly worded
http://en.wikipedia.org/wiki/Essential_amino_acid
Amino acids that you obtain from eating foods are classified as
A. essential. C. extracellular.
B. facilitated. D. inorganic.
A - is this correct
1 answer