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1. Explain any two (2) bioinorganic chemical process/applications, in terms of: i. metal ions involved ii. the process (eg: transport, transfer, transcription, redox, storage)
1. Explain any two (2) bioinorganic chemical process/applications, in terms of: i. metal ions involved ii. the process (eg: transport, transfer, transcription, redox, storage) iii. reaction equation(s) iv. the structure of complex formed v. advantages vi. limitations and alternatives vii. spectroscopic method(s) used Your answers should be based on appropriate and relevant research articles (cite the references). (30 marks)
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1 Hemoglobin Oxygen Binding and Transport i Metal ions involved Hemoglobin contains iron ions Fe2 and Fe3 as the central metal ions in its heme groups Each hemoglobin molecule contains four heme groups each of which can bind to one oxygen molecule ii The process Hemoglobin binds oxygen in the lungs where oxygen concentration is high and releases it in the tissues where oxygen concentration is low facilitating the transport of oxygen throughout the body This process involves reversible binding of oxygen to the iron ions in the heme groups iii Reaction equations The overall process can be represented by the following equation HbO24 Hb 4O2 Where Hb represents deoxygenated hemoglobin and HbO24 represents oxygenated hemoglobin iv Structure of complex formed The structure of the hemoglobinoxygen complex involves the coordination of the oxygen molecule to the iron ion in the heme group ...
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Elements Of Chemical Reaction Engineering
Authors: H. Fogler
6th Edition
013548622X, 978-0135486221
