A plant cell wall is arranged in layers and contains cellulose microfibrils ... into three major layers: the primary cell wall, the middle lamella, and the secondary cell wall (not pictured).

Cellulose is the most abundant biopolymer—large molecules naturally produced by living organisms—on Earth. A carbohydrate that is the primary structural component of plant cell walls ...

The cell wall of plant cells is made from cellulose. This gives them a rigid structure. Supports and strengthens cell? Cell membrane Selectively permeable double layer of lipid and protein molecules?