And finally, top it up with the water. And then you'll have a model plant cell with all of its parts. A cell wall, which keeps everything together, cell membrane, which surrounds the cytoplasm ...

In particular, organelles called chloroplasts allow plants to capture the energy of the Sun in energy-rich molecules; cell walls allow plants to have rigid structures as varied as wood trunks and ...

A new method developed by Penn State biologists allows them to turn stripped-down plant cells into other types of cells, ...