A key step in the TCA cycle involving pyruvate ion results in the formation of______ when insufficient oxygen is present.

Question

Quizplus · Accepted Answer

When insufficient oxygen is present, pyruvate is converted into ethanol and carbon dioxide during anaerobic respiration in yeast cells, a process known as fermentation. This is not a step of the TCA cycle but an alternative pathway when aerobic respiration cannot proceed.

A Key Step in the TCA Cycle Involving Pyruvate Ion