Honors Biology
The electron transport chain (ETC) is a series of protein complexes and other molecules located in the inner mitochondrial membrane that play a crucial role in cellular respiration by transferring electrons from electron donors to electron acceptors. This process is essential for ATP production as it creates a proton gradient that drives the synthesis of ATP through oxidative phosphorylation. The ETC also connects to key metabolic pathways, enhancing the overall energy yield of cellular processes.
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