Auxin - Plant Hormone

Hormone signaling is involved in all biological system. Hormones in general control the physical and emotional responses of an organism. A specific example of a hormone is auxin. Auxin is a plant hormone that plays an inportant role in several plant activities, such as: phototropism, gravitopism, apical dominance, fruit development, abscission, and root initiation. Auxin travels in a specific direction inside a plant, it is taken up by a particular cell at one end and release at the other end onto another cell. It binds specific receptors on specific cells to cause the plant to perfor…