DON W. FAWCETT / SCIENCE PHOTO LIBRARY DON W. FAWCETT / SCIENCE PHOTO LIBRARY
Transmission electron micrographs representing three stages of mitochondrial division (sample obtained from the gastric mucosa of a mole). In stage A, the free edge of the developing septum has not yet reached the opposite side of the organelle. In stage B, the asymmetrical penetration of the fold of outer membrane is evident. In stage C, the separation of the daughter mitochondria is complete. THE CELL 2nd edition.
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