MCQ
How many $ATP$ molecules are obtained from fermentation of $1$ molecule of glucose?
- ✓$2$
- B$4$
- C$3$
- D$5$
✓
Answer
Correct option: A.
$2$
a
During alcoholic fermentation of glucose molecule, pyruvic acid is first decarboxylated to form acetaldehyde and $CO _{2}$, which is then changed to ethyl alcohol with help of $NADH$. Net gain is $2$ $ATP$ molecules per glucose molecule.
During alcoholic fermentation of glucose molecule, pyruvic acid is first decarboxylated to form acetaldehyde and $CO _{2}$, which is then changed to ethyl alcohol with help of $NADH$. Net gain is $2$ $ATP$ molecules per glucose molecule.
$C _{6} H _{12} O _{6}+2 ADP +2 Pi \rightarrow 2 C _{2} H _{5} OH$
Glucose Ethyl alcohol
$+2 CO _{2}+2 ATP +2 H _{2} O$
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