What is the difference in the structure of an old plant cell from a young one?

A young plant cell can be easily distinguished from an old one. First of all, the size of the vacuole indicates the age of the cell. The larger this organelle, the older the cell. Also, you can pay attention to the amount of chloroplasts. Younger cells have fewer of these plastids. The thickness of the cell membrane increases over time. But the main sign is the size of the vacuole, since the cell stores more and more cell sap in the process of life. The size of this organelle can take up most of the cell’s space.