a. In marine diving mammals, muscle is extremely rich in myoglobin, a.pdf

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a. In marine diving mammals, muscle is extremely rich in myoglobin, and (in some species) the oxygen binding curve of hemoglobin is left-shifted compared to binding curves for terrestrial mammals. Explain the significance of these two adaptations to the diving lifestyle. b. The diagram shows oxygen binding curves for hemoglobin from a variety of terrestrial mammals. What gross feature of these organisms correlates with the shapes of these curves? Can you speculate as to the reason for the trend in oxygen binding affinities? c. Temperature changes affect the binding of hemoglobin to oxygen. Plot the curves (can be hand drawn) of hemoglobin oxygen saturation for "normal" temperature, increased temperature, and decreased temperature. d. Exercise increases the temperature of cells undergoing respiration. How does the temperature change of the binding of hemoglobin affect the ability of oxygen to be delivered to cells undergoing respiration?.

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Hemoglobin (Haemoglobin) is one of the most widely studied proteins in biology. It also stands as the first protein to have been crystallized and its structure elucidated. Apart from that, hemoglobin gave scientists a better understanding of the structure to function phenomenon in proteomics. This document discusses hemoglobin including the types and mechanism of action in its roles of oxygen and carbon dioxide transportation. Please note that this document is for academic purposes and does not, in any way, claim to be exhaustive. However, if you would like to understand the subject in more depth, write me an email and we can discuss the subject together. Enjoy the read.

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