Choose the Type of Plant Chemical or Its Action Most

Multiple Choice

Choose the type of plant chemical or its action most closely associated with the consequence listed below. Each chemical or action may be used more than once.
-operating in systemic acquired resistance

A) jasmonates
B) salicylic acid
C) phytoalexins
D) "antifreeze proteins"
E) oligosaccharins
F) PR proteins
G) systemin