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which of the following statements is false? in its interaction with hemoglobin, oxygen is: i. a prosthetic group. ii. a ligand. iii. bound at the 6th coordination position of the fe(ii) ion in the heme. iv. homoallosteric effector. v. reversibly bound.

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cenonjeric3

The statement "In its interaction with hemoglobin, oxygen is a prosthetic group." (i) is false.

Each 's iron atom may attach to one oxygen molecule, enabling hemoglobin heme group to carry four oxygen molecules. Each heme group's iron atom may bind one oxygen molecule, giving hemoglobin its maximum ability to carry four oxygen molecules.

A unique non-protein element called a prosthetic group is necessary for some proteins to function. It is firmly attached to proteins. A prosthetic group can naturally take the shape of an organic lipid, vitamin, or sugar or an inorganic metal ion.

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