All living organisms,
from bacteria, fungi, spinach and worms to
crocodiles and humans, use ATP for energy
Originally, the energy
comes from the sun.
Plants capture it
during photosynthesis and convert it to chemical
energy as ATP. Using this energy, plants produce
carbohydrates, fats and proteins which are eaten by
animals and human beings.
In metabolism, the food
is broken down and the energy released is used to
interconverted between various forms. Compare this
with the idea of different currencies, only one of
which is accepted at a time. ATP is an energy
The universal energy