15.4: The Electron Transport Chain - Chemistry LibreTexts
https://chem.libretexts.org/Courses/University_of_Kentucky/UK%3A_CHE_103_-_Chemistry_for_Allied_Health_(Soult)/Chapters/Chapter_15%3A_Metabolic_Cycles/15.4%3A_The_Electron_Transport_Chain
The primary task of the last stage of cellular respiration, the electron transport chain, is to transfer energy from the electron carriers to even more ATP molecules, the "batteries" which power work within the cell. Pathways for making ATP in stage 3 of aerobic respiration closely resemble the electron transport chains used in photosynthesis.
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