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MDCAT Biology QUESTION #4283
Question 1
The most primitive respiratory process occurring in a living cell is:
  • Lactic acid fermentation
  • Alcoholic fermentation
  • Glycolysis✔️
  • Krebs's cycle
Correct Answer Explanation
Glycolysis is the most ancient and primitive form of cellular respiration, occurring in the cytoplasm without oxygen. It is universal among all living organisms.