Hemoglobin, iron-containing protein in the blood of many animals that transports oxygen to the tissues. Hemoglobin forms an unstable reversible bond with oxygen. In the oxygenated state, it is called oxyhemoglobin and is bright red; in the reduced state, it is purplish blue.
Hemoglobin (Hb) Hb is found in RBCs its main function is to transport O2 to tissues. Structure: 2 parts : heme + globin Globin: four chains. Heme: porphyrin. - ppt video online download
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