This process, called photosynthesis, is essential to the global carbon cycle and organisms that conduct photosynthesis represent the lowest level in most food chains (Figure 1). Most living things ...

The chemical energy released by respiration can be used by the plant for cellular activities such as protein synthesis or cell division. The sugar produced by photosynthesis can be converted into ...

In terms of importance, cellular biologist Geoffrey McFadden wrote in a study published in Plant Physiology that "the origin of oxygenic photosynthesis must rank just after the origin of life itself." ...

The leaf is one of the most important organs of a plant. Leaves produce food for the plant through a process called photosynthesis. The leaves of different plants vary widely in size, shape and ...