What Gives Plant Cell Walls Their Rigidity. They have cell walls in their cells, which gives it rigidity and structure. The cell wall is a rigid boundary that separates the cytoplasm with the external the cell wall is composed of cellulose and gives plants rigidity, strength and structure.
to prevent cell swelling and bursting as a result of osmotic pressure. Plants, animals, fungi, and algae have cell walls. Plant cells have three extra components, a vacuole, chloroplast and a cell wall.
That's why a plant is able to grow, and be upright.
The genetic information present in the cell nucleus and that of chloroplasts interact. All animal cells have centrioles whereas only some lower plant forms have centrioles in their cells (e.g. It helps in giving rigidity to the cell walls in the form of the strength. That's what gives plants their structure.