Chapter 14 Biomolecules, Class 12 Chemistry Chapter 14 Biomolecular, Chemistry Class 12 | Page 12

Essential and Non-essential Amino Acids
Human body can synthesise ten amino acids , called non-essential amino acids . The remaining ten amino acids required for protein synthesis are not synthesised by body and are called essential amino acids . They are
1 .
Phenylalanine
2 .
Histidine
3 .
Tryptophan
4 .
Valine
5 .
Methionine
6 .
Threonine
7 .
Arginine
8 .
Leucine
9 .
Isoleucine
10 .
Lysine
Nomenclature
They are known by their common names and abbreviated by first three letters of their common names e . g ., glycine as „ gly ‟ and alanine a as „ ala ‟.