It was once believed that cellulose was the structural material in the cell walls of all green plants. Now it appears that other substances are employed for this purpose in certain marine algae By ...

Cellulose fibers are long ... but they can fill as much as 90 percent of the intracellular space. Plant cells use vacuoles to adjust their size and turgor pressure. Vacuoles usually account ...

But plant-based ‘bioplastics’ are not new. The first man-made plastic was made in 1862 using cellulose, the main component of plant cell walls, pre-dating the petroleum-based plastics that ...