The incorporation of iron is required in the biosynthesis of each of the following molecules EXCEPT

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Iron is not required for the biosynthesis of IgG. IgG, also known as immunoglobulin G, is a type of antibody protein that plays a crucial role in the body's immune system, but it does not contain iron for its function. On the other hand, hemoglobin, myoglobin, cytochrome c, and catalase all require iron for their biosynthesis and proper function. Hemoglobin and myoglobin are involved in oxygen transport in the blood and muscles, respectively. Cytochrome c is an essential component of the electron transport chain in cellular respiration. Catalase is an enzyme that breaks down hydrogen peroxide, a toxic byproduct of metabolic reactions, into water and oxygen.

The Incorporation of Iron Is Required in the Biosynthesis of Each