Fig. 2. Net rates of production of NO after addition of O2 relative to their respective anaerobic rates from 27 to 33 h. Error bars indicate standard errors 
, and those not shown were smaller than the symbols
Fig. 2. Net rates of production of NO after addition of O2 relative to their respective anaerobic rates from 27 to 33 h. Error bars indicate standard errors , and those not shown were smaller than the symbols