Respiratory intermediate which undergoes fermentation is generally
A
Glyceraldehyde 3-phosphate
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B
2-phosphoglyceric acid
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C
PEP
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D
Pyruvic acid
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Solution
The correct option is C Pyruvic acid Glycolysis is the common pathway between the aerobic and the anaerobic respiration. The end product of glycolysis is the pyruvic acid (3C), which undergoes fermentation to form either ethanol and carbon dioxide or lactate depending on the pathway.