Energy and Metabolism

ID #2207

Why is this statement wrong: "The Krebs Cycle occurs only in eukaryotes that have mitochondria." Only eukaryotes have mitochondria. Is it tricky wording that I'm not noticing?


I don't think the wording was meant to be tricky. If the Krebs cycle only occurred in eukaryotes that contain mitochondria, what about prokaryotes? They still perform the Krebs cycle in the presence of oxygen even without mitochondria. The important word in that sentence is "only." Since the Krebs cycle also occurs in the cytoplasm of prokaryotes, the statement is incorrect.

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