2. Both Saccharomyces cerevisiae yeast and Zvmomonas mobilis bacteria produce ethanol from glucose under anaerobic conditions without external electron acceptors. The biomass yield from glucose is 0.11 g/g for yeast and 0.05 g/g for Z. mobilis. In both cases the nitrogen source is NH3. Both cell compositions are represented by the formula CH1.800.5No.2. (a) What is the yield of ethanol from glucose in both cases? (b) How do the yields calculated in (a) compare with the thermodynamic maximum yield