- Animal cells are the basic structural and functional units of animal tissues and organs. They are eukaryotic cells. It means that, unlike prokaryotic cells, animal cells have membrane-bound organelles suspended in the cytoplasm enveloped by a plasma membrane. This fundamental feature is not exclusive to animal cells though. Both animal cells and plant cells are eukaryotes, and therefore a plant cell has this feature, too. However, plant cells can be easily distinguished from animal cells by the presence of a cell wall. Apart from this, an animal cell also lacks plastids, especially chloroplasts, that are involved in a plant’s photosynthesis.
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