(Solved): Answer both questions, please (3 and 4) Saccharomyces cerevisiae, sometimes known as Baker's yeast o ...

Saccharomyces cerevisiae, sometimes known as Baker's yeast or Brewer's yeast, is widely used in food and beverage production (e.g. in baking to make bread rise, and to produce alcoholic drinks including beer). \( S \). cerevisiae exhibits a phenomenon known as the Crabtree effect (similar to the Warburg effect in cancer) whereby oxidative phosphorylation is suppressed even when oxygen is available. Briefly explain why this makes S. cerevisiae an idea micro-organism for beer and wine production. (2 pts) Question 4 (1 point) You discover a new class of photosynthetic organism with pigments that absorb light at all wavelengths in the visible spectrum except \( 450-500 \mathrm{~nm} \). What color is this organism? (1 pt)