The Living World 8th Edition by George Johnson

تمرين 4

Soft drinks are artificially carbonated, which is what causes them to fizz. Beer and sparkling wines are naturally carbonated. How does this natural carbonation occur?
The final electron acceptor in lactic acid fermentation is
A) pyruvate.
B) NAD +.
C) lactic acid.
D) O₂.
The final electron acceptor in ethanol fermentation is
A) pyruvate.
B) NAD +.
C) ethanol.
D) acetaldehyde.
NAD + is regenerated during
A) glycolysis.
B) fermentation.
C) the Krebs cycle.
D) the formation of acetyl-CoA.