1. Concentrations of MgCl2 up to 0.01 M have little effect upon the rate or respiration of Bacillus subtilis; at 0.03 M there is an increase in the rate, while in the higher concentrations there is a gradual decrease.
2. There is a well marked antagonism between MgCl2 and NaCl, and a very slight antagonism between MgCl2 and CaCl2.
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Copyright, 1920, by The Rockefeller Institute for Medical Research
1920
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