58) In the absence of oxygen, yeast cells can obtain energy by fermentation, which results in the production of which of the following sets of molecules?
A) ATP; CO2; and ethanol (ethyl alcohol)
B) ATP; CO2, and lactate
C) ATP; NADH, and ethanol
D) ATP; CO2, and acetyl CoA
59) Which of the following statements describes a primary function of both alcohol fermentation and lactic acid fermentation?
A) reduction of NAD+ to NADH
B) reduction of FAD to FADH2
C) oxidation of NADH to NAD+
D) hydrolysis of ATP to ADP + Pi
60) An organism is discovered that thrives in both the presence and absence of oxygen. Interestingly, as oxygen is removed from the organism's environment, the rate of sugar consumption increases while the growth rate decreases. What do these observations suggest about the likely identity of this organism?
A) It is an unremarkable eukaryotic organism.
B) It is a photosynthetic anaerobic organism.
C) It is an obligate anaerobic organism.
D) It is a facultative anaerobic organism.