Question

what are essential amino acids?

Answer 1

Leucine

C6H13NO2

Phenylalanine

C9H11NO2

Threonine

C4H9NO3

Tyrosine

C9H11NO3

Cysteine

C3H7NO2S

Answer 2

As about twenty percent of the human body is made up of protein, amino acids make up a large proportion of our cells, muscles, and tissue. ... The 9 essential amino acids are: histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine.