Plant cell structures are very similar across the range of plants that exist on Earth. All plant cells contain specific components, one of which is a cell wall. Cell walls, which do not exist in animal cells, are rigid in structure. Cell walls provide shape to form tissues and play a large role in determining what individual parts of a plant look like.
Because all plant cells have cell walls, plant cells have fixed...
Plant cell structures are very similar across the range of plants that exist on Earth. All plant cells contain specific components, one of which is a cell wall. Cell walls, which do not exist in animal cells, are rigid in structure. Cell walls provide shape to form tissues and play a large role in determining what individual parts of a plant look like.
Because all plant cells have cell walls, plant cells have fixed rectangular shapes. If you look at an onion peel (or any piece of an onion) under a microscope, you will see clear evidence of a rectangular cell supported by the rigid structure of the cell wall. In contrast, animal cells, which do not have cell walls, will appear to be round.
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