General BiologyProf. Bryan Cardella, M.Ed.
AP Biology Dr. Carleen Eaton, M.D.
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VI. The Energetics of Life : Lecture 4 | 29:51 min
All living cells must have a
continuous supply of energy to carry out their activities. This
energy comes from nutrients such as glucose.
All cells also need some way to
release this energy, which is stored in the chemical bonds of the
Metabolism is the bodys way
of transforming matter and energy through chemical reactions.
Glycolysis is the first step in
the metabolic pathway by which glucose is broken down and energy is
released. It is one of the most universal metabolic pathways known.