Which of the following is NOT a characteristic of plant cells?

In plant cells, vacuoles are specialized structures that serve various functions, including storage of substances and maintaining turgor pressure. However, plant cells typically contain one large central vacuole rather than multiple small vacuoles. This large central vacuole can occupy a significant portion of the cell's interior, and plays a crucial role in water storage, maintaining cell structure, and regulating cell growth.

In contrast, the other characteristics listed are indeed typical of plant cells. Plant cells have a rigid cell wall composed of cellulose that provides structural support and protection. They also contain chloroplasts, which house chlorophyll and are essential for photosynthesis. Therefore, while small vacuoles may be found in certain contexts, the defining feature of plant cells is the presence of a single large central vacuole.