The Current Induced by a Magnetic Field in a Physically Bounded Plasma.

the right-handed helix found in natural proteins. The possibility that both types of helix were originally formed is suggested. In the evolutionary process, one form gradually predominated. 28 Doering, W. von E., and L. H. Knox, J. Am. Chem. Soc., 83, 1989 (1961). 29 Bradley, J. N., and A.. Ledwith, J. Cherm. Soc., 1495 (1961'. 30 Scheibler, H., Angew. Chem., 40, 1072 (1927). 31 Loeb, W., Ztschr. Elektrochem., 12, 282 (1906). 32 Baly, E. C. C., in Photosynthesis (New York: Van Nostrand, 1941), has reviewed methods of formation of sugars from formaldehyde.