- organelle
- A distinct part of the cell that performs a function.
- oxaloacetate
- An intermediate molecule in the citric acid cycle, break down product of malate.
- oxalosuccinate
- An intermediate molecule in the citric acid cycle, break down product of isocitrate.
- oxidative phosphorylation (a.k.a. the electron transport chain)
- A process that follows the citric acid cycle in the production of cellular energy.