Category: proteins

A tiny space rock holds clues about the evolution of life

[ad_1] Researchers have found amino acids in other space rocks, but not at such a high concentration. Perhaps most surprisingly, Asuka 12236 contains more left-handed versions of some amino acids. While there are right-handed and left-handed versions of each amino acid, life as we know it uses only left-handed amino acids to build proteins.  Researchers […]