TY - CHAP M1 - Book, Section TI - The Biochemical Roles of Transition Metals A1 - Kennelly, Peter J. A2 - Rodwell, Victor W. A2 - Bender, David A. A2 - Botham, Kathleen M. A2 - Kennelly, Peter J. A2 - Weil, P. Anthony Y1 - 2018 N1 - T2 - Harper's Illustrated Biochemistry, 31e AB - OBJECTIVESAfter studying this chapter, you should be able to:Explain why essential transition metals are often referred to as micronutrients.Understand the importance of multivalency to the ability of transition metals to participate in electron transport and oxidation–reduction reactions.Understand how Lewis and Bronsted-Lowry acids differ.Define the term complexation as it refers to metal ions.Provide a rationale for why zinc is a common prosthetic group in enzymes that catalyze hydrolytic reactions.List four benefits obtained by incorporating transition metals into organometallic complexes in vivo.Cite examples of the ability of a given transition metal to function as an electron carrier in one protein, an oxygen carrier in another, and a redox catalyst in yet another.Explain how the possession of multiple metal ions enables the metalloenzymes cytochrome oxidase and nitrogenase to catalyze the reduction of molecular oxygen and nitrogen, respectively.Describe two mechanisms by which excess levels of transition metals can be harmful to living organisms.Provide an operational definition of the term “heavy metal,” and list three strategies for treating acute heavy metal poisoning.Describe the processes by which Fe, Co, Cu, and Mo are absorbed in the human gastrointestinal tract.Describe the metabolic role of sulfite oxidase and the pathology of sulfite oxidase deficiency.Describe the function of zinc finger motifs and provide an example of their role in metal ion metabolism. SN - PB - McGraw-Hill Education CY - New York, NY Y2 - 2024/04/19 UR - accessmedicine.mhmedical.com/content.aspx?aid=1160189412 ER -