The nucleus is a structure not unique to plant cells.
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The nucleus is not unique to plant cells as it is found in both plant and animal cells.
Both plant and animal cells have a nucleus, mitochondria, endoplasmic reticulum, Golgi apparatus, and lysosomes. Unique to plant cells are chloroplasts, cell walls, and large central vacuoles. Unique to animal cells are centrioles and small vacuoles. Both types of cells also have ribosomes, cytoplasm, and cell membrane.
Chloroplast
Plant cells have a cell wall for structure and support, chloroplasts for photosynthesis, and a central vacuole for storage of water and nutrients. These structures are unique to plant cells because they are essential for their specialized functions, such as providing rigidity, producing energy, and regulating osmotic balance.
The cell wall, which is unique to plant cells, provides rigidity and structural support. It is made of cellulose fibers and encases the cell membrane. This structure is absent in animal cells, making them more flexible.
One such structure specific to plant cells is the cell wall. It provides structural support and protection to the cell, helping maintain cell shape and rigidity. The cell wall is primarily composed of cellulose, a polysaccharide that is unique to plant cells.