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Fermentation Quiz
1. Which stage of aerobic respiration occurs during fermentation?
a) Glycolysis
b) Krebs cycle
c) Electron transport
d) None of the above
2. Fermentation is useful for _____.
a) Development of a diversity of flavors
b) Preservation of food
c) A decrease in cooking times
d) All of the above
3. Nicotinamide adenine dinucleotide (NAD+) is regenerated by glycolysis.
a) True
b) False
4. The conversion of pyruvic acid to lactic acid does not require Nicotinamide adenine
dinucleotide (NAD+).
a) True
b) False
5. What are the end products of fermentation?
6. The role of oxygen in aerobic respiration is to accept the hydrogen removed from the
organic compounds.
a) True
b) False
7. Lactic acid fermentation occurs in _____.
a) Mitochondria
b) Muscle cells
c) Skin cells
d) None of the above
8. In the process of alcoholic fermentation, pyruvate is converted to _____.
a) Methanol
b) Ethanol
c) Propanol
d) None of the above
9. During the anaerobic respiration in yeast, bacteria and carboxylic acid are produced.
a) True
b) False
10. What is the net gain in ATP molecules produced during the reactions of glycolysis
under anaerobic conditions?
a) 0
b) 2
c) 4
d) 6