Plant cells without walls, known as protoplasts, are very fragile, and it has been difficult to keep them alive under a ...

Mitochondria close mitochondriaTiny parts of cells floating in the cytoplasm where energy is released from glucose. The glucose comes from food. This is how you make a model plant cell.

The cells that make up the walls of the finest of all lymphatic vessels have a lobate, oak leaf-like shape that makes them particularly resilient to changes in fluid volume. A similar cell shape also ...