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Unformatted text preview: 5 _ states, while the more complex MWC model has __ 10 __ states. 4.) (20) What is the main advantage of cooperative binding for hemoglobin? Answer your question in terms of resting and exercise. Cooperativity allows large amounts of O 2 to be released over a narrow change in pO 2 . This is important during exercise because more oxygen is demanded by tissues. 5.) (25) Iron in deoxyhemoglobin is 5-coordinate. What are the 5 ligands? Be as specific as possible. The four nitrogens of tetrapyrrole and the distal histidine...
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- Fall '07