Question

How does IAA cause cell elongation?

Accepted Answer

- activates proton pump- H+ actively transported into cell walls- lowered pH activates enzyme which breaks bonds within cell wall- increases plasticity of cell walls - stretch more easily- water moves in by osmosis elongating cell

Front	How does IAA cause cell elongation?
Back	- activates proton pump - H⁺ actively transported into cell walls - lowered pH activates enzyme which breaks bonds within cell wall - increases plasticity of cell walls - stretch more easily - water moves in by osmosis elongating cell

Cell Activates Walls Iaa Elongation Proton Pump H