Answer
Central vacuoles take up and store water which, when the wall is softer, stretches the cell, driving growth. The cellulose cell wall gives strength and support to the cell and, by extension, to the whole plant.
Work Step by Step
Review Concepts 6.4 and 6.7, which describe the structure and role of the central vacuoles and cellulose walls, respectively. Summarize their role for your answer.