Cell structure Description Function Cell type Cell wall Freely permeable layer surrounding cell membrane. The cell wall of plant cells is made from cellulose. This gives them a rigid structure.

The electron microscope reveals the structure of this gossamer layer, which not only constitutes the exterior of the cell but also folds inward to make up much of its internal architecture ...

Membraneless organelles, also called biomolecular condensates, are changing how scientists think about protein chemistry, ...

Lipids, or fats, are essential to life. They form the membranes around cells, protecting them from the outside. In nature, ...

The secret to cellular youth may depend on keeping the nucleolus—a condensed structure inside the nucleus of a cell—small, ...