A plant cell consists of a cell wall, chloroplast and vacuoles that makes it different from the animal cell. For a plant cell to elongate, two things that facilitates the process are light and phytohormones. It occurs when individual cells and group of cells grow longer. In order for a plant cell to elongate, two things that must occur are: 1. temporary loosening of cell wall 2. pumping hydrogen ions across the cell membrane.