Glycolysis is a metabolic process that is done by all cells. However, not all cells make use of another metabolic process called the Krebs cycle. What does this tell you about the evolution of these processes?
A. Both the Krebs cycle and glycolysis likely evolved at the same time
B. As a metabolic process, the Krebs cycle likely evolved prior to glycolysis
C. As a metabolic process, glycolysis likely evolved prior to the Krebs cycle
Answer: C
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