. In living organisms, can metabolism yield a ΔG with a value of "0"?  Please explain. 2. Where does citric acid cycle take place (please be very specific)?  3. What is substrate-level phosphorylation?  What is the percentage of energy generated by substrate-level phosphorylation during aerobic phosphorylation? 4. In electron transport chain (aerobic respiration), which molecule is the most electronegative (highest electronegativity)?

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Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.