31. Which of these will catalyze the following reaction? EF2 + NAD EF2-ADP-ribose + nicotinamide A. diphtheria A subunit B. leukocidin B subunit C. streptolysin A subunit D. diphtheria B subunit E. cholera A subunit O antigen Core Lipid A 32. Diagnosis if a high level of the molecule (above) is detected in a patient's blood A.endotoxemiaB.exotoxemiaC.lipidemiaD.emesis(vomit)toxin E. spastic paralysis.