Salicylic Acid, the Main Component of Aspirin, May Be an Example

Multiple Choice

Salicylic acid, the main component of aspirin, may be an example of a(n)

A) substance that attracts wasps to a plant being eaten by caterpillars.
B) substance encoded for by Avr genes.
C) amino acid that, when consumed by an insect, will kill that insect.
D) alarm hormone.