Question

The enzymes of the krebs cycle function in the cytosol of bacteria but among eukaryotes the enzymes function mostly in the mitochondria. pose a scientific question that connects the subcellular location of the enzymes of the krebs cycle to the evolution of eukaryotes.

Answer 1

If the krebs cycle enzymes are only produced in the mitochondria of eukaryotic cells, but throughot the cytosol of bacteria, does that mean that mitchondria are the evolutionary legacy of early eukaryote ancestors engulfing bacteria which became symbiotic?