The situation that a new technology would be most likely to cause change in existing theory about cell is : D. The technology allows detection of a substance that could not be detected previously
Cell is incredibly small and we still hasn't 100% figured out their perfect mechanism yet. New technology might found the new substance that alter the cell's theory as a whole
Vasopressin causes vasoconstriction and increases reabsorption of water by the kidneys. V1A receptors regulate blood pressure and V2 receptors have an effect on renal function.