<p>(Biomass: 0.5%: black triangle up; 1.0%: black square; 1.5%: black diamond; 2.0%: black hex; glucose consumption: 0.5%: dotted; 1.0%: short-short; 1.5%: dash-dot; 2.0%: long dash). Error bars denote standard deviations from the mean values of triplicate measurements (n = 3).</p