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Pyruvic acid, the key product of glycoly...

Pyruvic acid, the key product of glycolysis can heve many matabolic fates. Under aerobic condition it forms

A

lactic acid

B

`CO_(2)+H_(2)O`

C

acetyl `Co-A+CO_(2)`

D

ethanol `+CO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
B
Pyruvate, the porduct obtained through glycolysis, gets oxidised with the loss of its carboxy group as `CO_(2)`, to give acetyl Co-A, under aerobic condition. This acetyl Co-A is further oxidised completely to `CO_(2)+H_(2)O` in citric acid cycle. Other are incorrect as
Lactic acid is formed in muscles under anaerobic conditions.
Ethanol and `CO_(2)` are products of acaerobic respiration in yeast cells. `CO_(2)` and `H_(2)O` are final and complete reaction products released at the end of cellular respiration.
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