How we used coleoptiles to discover how auxin drives phototropism [email protected].
Plant Responses to Internal and External Signals.
Plant growth responses Image Credit: Sunflower (Helianthemum) Sunflower (Helianthemum)
Plant Hormones AP Biology – LAHS. What are Hormones? Chemical signals that coordinate the various parts of an organism Chemicals are made in one region.
