Pulmonary arterial hypertension (PAH) is a progressive disease caused by narrowing or tightening (constriction) of the pulmonary arteries, which connect the right side of the heart to the lungs.
In bacterial cells, the electron transport system is located in the. A. cell membrane. B. mitochondria. C. chloroplasts. D. ribosomes.E. cytoplasm.n bacterial cells, the electron transport system is located in the. A. cell membrane. B. mitochondria. C. chloroplasts. D. ribosomes.
Answer by Jeyradan. Confidence votes 175. Electron transport occurs in the mitochondria of eukaryotic cells. Specifically, the four protein complexes of the electron transport chain (ETC) exist as transmembrane complexes in the inner membrane of the mitochondria.