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Laura WM 3I wrote:How does this term relate to ligands that are discussion in terms of biology?
A ligand in chemistry is an ion/molecule that is attached to a metal through coordinate covalent bonds. Similarly, a ligand in biology is a molecule that binds to a larger molecule. Both involve smaller molecules binding to a larger one.
A biological example would be cisplatin, a well know chemotherapy drug. It has four ligands, 2 Cl's on the same side and 2 NH3's on the other side. They have a lone pair bonded to the central platinum metal atom. Hence, the terminology "Cis" is used.
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