Touched cells produce auxin and transport it to untouched cells.you smell some untouched cells will then elongate faster so growth bends around the object.
Some untouched cells will then elongate faster so growth bends around the object. Touched cells produce auxin and transport it to untouched cells.
Touched cells produce auxin and transport it to untouched cells. Some untouched cells will then elongate faster so growth bends around the object.
Touched cells produce auxin and transport it to untouched cells. Some untouched cells will then elongate faster so growth bends around the object.