The 'natural' asymmetry of biological molecules may have come from space
Tuesday, January 11, 2011 - 11:30
in Biology & Nature
Certain molecules do exist in two forms which are symmetrical mirror images of each other: they are known as chiral molecules. On Earth, the chiral molecules of life, especially amino acids and sugars, exist in only one form, either left-handed or right-handed. Why is it that life has initially chosen one form over the other?