When a Plant Responds to a Pathogen,which Substance Would Likely

question 7

Multiple Choice

When a plant responds to a pathogen,which substance would likely be produced last and would be involved in a slow-acting response against the pathogen?

• A) PR protein
• B) Salicylic acid
• C) Phytoalexin
• D) Nitric oxide
• E) Hydrogen peroxide

---

Definitions:

Channels

Pathways through which messages or information are communicated or transferred from one end to another, also referring to structures that allow the passage of ions across cell membranes in biology.

Cell Membrane

The lipid bilayer that encloses a cell, controlling the passage of substances in and out, thus maintaining the cell's integrity and environment.

Protein Molecules

Large, complex molecules that play many critical roles in the body, made up of chains of amino acids.

Large Protein Anions

Molecules consisting of large proteins that carry a negative charge.