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.
During active transport molecules move from an area of _low___ concentration to an area of ___high_________ concentration. ___Exocytosis______ is a form of active transport in which the cell sends materials out of the cell using vesicles, small storage structures that fuse to the cell membrane.