Adenosine Diphosphate (ADP)

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Adenosine diphosphate (ADP) is the precursor to ATP and is composed of a nitrogenous base (adenine), a sugar (ribose), and two inorganic phosphates.

Oxidative phosphorylation, the most productive generator of ATP in cellular respiration, takes place in the inner membrane of the mitochondrion. ATP is synthesized through the phosphorylation of ADP by Complex V (ATP synthase) of the electron transport chain (ETC).

This model was generated using the web-based 3D model viewer MolView and Jmol, an open-source viewer for molecular structures. Chemical elements in the molecule were colored according to the CPK coloring system.