Cells are the smallest unit of life and the building blocks for all organisms. Each component of a cell has its own function ... business. Plant cells have a rigid cell structure.

A plant cell wall is arranged in layers and contains cellulose microfibrils, hemicellulose, pectin, lignin, and soluble protein. These components are organized into three major layers: the primary ...

Vacuoles usually account for changes in cell size when the cytoplasmic volume stays constant. Some vacuoles have specialized functions, and plant cells can have more than one type of vacuole.