Plant Cells, Chloroplasts, and Cell Walls Plant cells have some specialized properties that make them distinct from animal cells. Learn how special structures, such as chloroplasts and cell walls ...

The sun is the ultimate source of energy for virtually all organisms. Photosynthetic cells are able to use solar energy to synthesize energy-rich food molecules and to produce oxygen.

For the first time, researchers in Göttingen and Hannover have successfully seen the chloroplast copying machine, the RNA ...