Which of the following is not an essential amino acid?
Which of the following is not an essential amino acid?
Lysine
Histidine
Valine
Tyrosine
Solution
Tyrosine is one of the 20 standard amino acids present in the body and used by cells to synthesis proteins. This is a non-essential amino acid, meaning that when it is not only ingested from diet, it is also synthesised by the body.