Photosynthesis can be defined as the process by which green plants manufacture their food. Photosynthesis is important not only to plants themselves but also to animals, which depend on plants for food.
Using the gas pedal analogy, the proto-oncogene would be an accelerator since they promote cell division and
deregulate apoptosis, while tumor suppressor would
be the brakes since they constrain the progress of the cell
cycle and induce cell apoptosis. An
oncogene is, therefore, when the accelerator
is stuck in down position and the brakes are not working.
Exceptions to a and b are when volcano forms at hot spots in the middle of Continental plates or oceanic plates.
That Energy comes from SUNLIGHT.....
