31. Since the chemistry is very stereospecific, the diols are created with predictable chirality . 32. The top and bottom are different chirality tubes. 33. Once established, chirality would be selected for. 34. Her field of research is primarily chirality within both inorganic chemistry and organic chemistry. 35. Enantiomerically pure epoxides are desirable as building blocks for complex molecules with specific chirality . 36. Fe ( acac ) 3 possesses helical chirality . 37. A similar notion of chirality is considered in knot theory, as explained below. 38. In chemistry, chirality usually refers to molecules. 39. The discovery may shed light on the chirality _ or handedness _ of terrestrial biology. 40. They are distinguished from the neutrinos by having opposite signs of lepton number and chirality .