Citrate synthase is the enzyme that combines Acetyl CoA and Oxaloacetate to begin the Krebs cycle.
Citrate synthase is responsible for combining Acetyl CoA and Oxaloacetate to start the Krebs cycle. This enzyme catalyzes the formation of a six-carbon citrate molecule from Acetyl CoA and Oxaloacetate, marking the initiation of the cycle.
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