+Cellulose is the most abundant organic [Polymer](/wiki/Polymer) on Earth, a fundamental component of [Plant](/wiki/Plant) cell walls. Composed of long chains of glucose units, it provides rigidity and strength, forming the structural backbone of trees and other vegetation.
+## See also
+- [Fiber](/wiki/Fiber)
+- [Wood](/wiki/Wood)
+- [Paper](/wiki/Paper)
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