LIFE SCIENCE

Detailed explanation-1: -Cellulose is a structural protein in plants and algae. Cellulose fibers are enmeshed in a polysaccharide matrix to support plant cell walls. Plant stems and wood are supported by cellulose fibers distributed in a lignin matrix, where the cellulose acts like reinforcing bars and the lignin acts like concrete.

Detailed explanation-2: -Cellulose is the primary structural component responsible for much of the mechanical strength of the cell wall. The distribution and orientation of cellulose microfibrils within the cell wall contribute to the control of cell growth.

Detailed explanation-3: -Answer and Explanation: The plant cell structure mostly made up of cellulose is the plant cell wall.

Detailed explanation-4: -Molecules of glucose join together to form cellulose. Next, glucose molecules combine to form long chains called cellulose. Cellulose is then used to build plant structures, like cell walls.