Ethylene, as an Example of a Plant Hormone, May Have

Multiple Choice

Ethylene, as an example of a plant hormone, may have multiple effects on a plant, depending on all of the following except the

A) site of action within the plant.
B) developmental stage of the plant.
C) concentration of ethylene.
D) altered chemical structure of ethylene from a gas to a liquid.
E) readiness of cell membrane receptors for the ethylene.