Dose-response curve in Hormesis ?
Ans. is 'c' i.e., Inveed U or J shaped Hormesis is a dose response phenomenon in which low doses have stimulatory effect while high doses have inhibitory effect. The dose response curve may be J-shaped or inveed U shapted, the latter being observed, for example, with the effect of chemotactic peptides on neutrophil adhesion.
Straight line
Sigmoid
Inveed U or J shaped
Hyperbola