Question

Why are electrons important

Answer 1

Electrons are important in living systems as all biological energy transactions involve the movement of electrons. An input of energy is required to move an electron away from its atomic center and energy is liberated when an electron is moved closer to the atomic center. Bio molecules, such as sugars contain high levels of energy stored in the electrons of their covalent bonds, which can be released by moving the electrons closer to an atomic center.

In biological systems, electrons play an important role in oxidation-reduction reactions. In the energy cycle within an organism, electrons are passed from hydrocarbons like sugars to oxygen. Energy is derived from the electron transport chain that begins with moving electrons through a series of electron transporters that undergo redox reactions. Such energy cycles are the driving mechanism for maintaining metabolic processes in the cells. Water is a major electron provider in the body.