Watch for Falling Amino Acids
April 8, 2008
A long-standing problem of origin-of-life theories is how proteins became left-handed. Amino acids, the building blocks of proteins, come in right-handed and left-handed forms, yet life uses only the left-handed form. The two isoforms are otherwise identical—yet one amino acid of the wrong hand in a protein spells doom for its function. Wherever […]
