Tyrosine is not an essential amino acid. While it is an important amino acid in the body, it is considered non-essential because it can be synthesized from the essential amino acid phenylalanine. The essential amino acids are those that cannot be synthesized by the body and must be obtained from the diet.
So, the correct option is (D): Tyrosine.
Given below are two statements:
Biomolecules are the most essential organic molecules, which are involved in the maintenance and metabolic processes of living organisms. These non-living molecules are the actual foot-soldiers of the battle of sustenance of life.
There are four major classes of Biomolecules – Carbohydrates, Proteins, Nucleic acids and Lipids.