Questions
Identify the incorrect statement.
a
In the second step of alcohol fermentation, acetaldehyde is oxidised by NADH to ethanol
b
Electron transport chain is operated in aerobic respiration but not in fermentation.
c
The two types of usual fermentations are alcohol fermentation and lactic acid fermentation.
d
Excess lactate is gradually carried away by the blood to the liver, where it is converted back to pyruvate by liver cells.
detailed solution
Correct option is A
In the second step of alcohol fermentation, acetaldehyde is reduced by NADH to ethanol. This regenerates the supply of NAD+ needed for the continuation of glycolysis.Talk to our academic expert!
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