FIG. 2.

Residual sugar concentrations, dry weights of cells, and specific consumption rates during selective anaerobic chemostat cultivation of S. cerevisiae strain IMS0003 in MY with medium reservoir concentrations of xylose and arabinose of 20 and 20 g liter⁻¹, respectively. The dotted vertical line at 21 days indicates the shift of the dilution rate from 0.03 to 0.05 h⁻¹. Symbols: •, concentration of xylose; ○, concentration of arabinose; ⧫, dry weight of cells; ▪, specific consumption rate for xylose; □, specific consumption rate for arabinose. D, dilution rate; DW, dry weight of cells; q, specific consumption rate.