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In anaerobic respiratin, from one glucos...

In anaerobic respiratin, from one glucose molecule how many net ATP molecules are formed.

A

2

B

8

C

6

D

4

Text Solution

Verified by Experts

The correct Answer is:
D
The net reaction of glycolysis is
Glucose + 2ADP + 2DI + `2NAD^(+) rarr` 2Pyruvate + `2ATP + 2NADH + 2H^(+)` During fermentation
Pyruvic acid `rarr` Acetaldehyde `+ CO_2`
Acetaldehyde + NADH + `H^(+) ("Alcohol")/("dehydrogenate")` Ethyl alcohol `+ NAD^(+)`
Thus alcohol and lactic acid fermentation under anaerobic conditions only 2 molecules of ATP are produced
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