lab disc 4

You look in the refrigerator and find some orange drink you had  forgotten was there. The drink now has an “off” taste and bubbles. What  is the most likely explanation for the changes in the drink? Could the  change be caused by a bacterium, fungi or both? Describe aerobic and  anaerobic respiration and how they relate to fermentation. What are some  benefits and dangers (or pros and cons) of fermentation? Explain the  overall purpose of metabolic pathways.