Medicine: Bios

Bios, a substance essential for the growth of yeast, was cracked into its parts at the University of Oregon last week. An electrical current drifting through a tank of many compartments did the splitting and neatly deposited each fraction in a separate cubicle. Since bios actuates the growth of yeast as hormones actuate the growth of animals and since bios seems closely akin to vitamins ("food hormones"), it may be that one or more of the bios fractions are common to both vitamins and hormones. That possibility has tremendous significance for biochemistry....

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