When the oil, urashiol, from the poison ivy plant is absorbed through the skin, it oxidizes and forms a substance called quinone. quinone reacts with skin proteins creating a complex that now triggers an immune response. quinone is an example of a(n)

Haptens

Explanation:

Haptens are antibody reacting molecules, but they are not capable of eliciting an immune response on their own. To provoke these reactions, haptens must be coupled to carrier molecules. Quinone is a hapten, as it is a molecule that reacts with skin proteins, creating a complex that now triggers an immune response.

1. artillery

2. jose san martin

3.their economies remained dependent on outside powers.

4. drafted new economies

5. democracies have replaced dictatorships