Question

In respiratory process which step is not related with decarboxylation?

• A. Alcoholic fermentation
• B. TCA cycle
• C. Oxidative decarboxylation of Pyruvate
• D. Lactic acid fermentation

Answer 1

The correct option is D Lactic acid fermentation

Name of process	Decarboxylation occurence
Alcoholic fermentation	Pyruvate (3C) $\to$ Acetaldehyde (2C)
TCA cycle	Isocitrate$\to$ $\alpha$ ketoglutarate
Oxidative decarboxylation	Pyruvate $\to$ Acetyl CoA
Lactic acid fermentation	No decarboxylation process occurs

So, the correct answer is ' Lactic acid fermentation '.