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Plant cells — structure absent in animal cells
publish date: 2026/06/16 20:56:39.331767 UTC
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Both plant and animal cells possess a plasma membrane, but only plant cells have a what?
Correct Answer
cell wall
Explanation
Only plant cells (and bacteria and fungi) have a cell wall — a rigid outer layer surrounding the plasma membrane. Animal cells lack a cell wall entirely. The plant cell wall is primarily composed of cellulose and provides structural support and protection.
Reference
Biology: A Self-Teaching Guide