a substance produced in a gland that circulates in the blood and has an effect far away from the site of production In plants used to mean a compound that acts at low concentrations to affect growth and development Produced in one part of the plant and utilized in another part ID: 391572
Download Presentation The PPT/PDF document "“Hormone” was first used to describe..." is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.