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.
For Eukaryotes the electron transport chain occurs in the Inner Membrane of a mitochondria. (mitochondria has 2 membranes both outer and inner) For Prokaryotes, it occurs in â¦ the plasma membrane as prokaryotes do not have mitochondria. 40 people found this useful.