All of the following statements are true except ?
Ans. is 'b' i.e., Cox I is an inducible enzymes o Cox-2 is an inducible enzyme, not Cox-1.
PG's and leukotriences are derived from arachidonic acid
Cox-I is an inducible enzyme
Cox II is induced by cytokines at sites of inflammation
Leukotrienes cause smooth ms. constriction