A caterpillar eats a leaf of a plant.The next day it crawls to a nearby leaf to eat.But after eating the second leaf,the caterpillar gets very sick and falls off the plant.Which of the following molecules were involved in the plant's ability to defend itself against the second attack?

Question

Quizplus · Accepted Answer

The plant defense mechanism involves a combination of proteinase inhibitors, systemin, and jasmonic acid. Systemin is a signaling molecule that triggers the production of jasmonic acid, which in turn induces the production of proteinase inhibitors that deter herbivores like caterpillars.

A Caterpillar Eats a Leaf of a Plant