Chris believes that markets move based on crowd psychology as evidenced by Fibonacci fractals, wave patterns, gold wave patterns, and sentiment. Chris uncovers the clues and finds the probabilities to help with forecasting key pivotal moves at tops and bottoms of market trends.
The P 50 is a conventional measure of hemoglobin affinity for oxygen. In the presence of disease or other conditions that change the hemoglobin's oxygen affinity and, consequently, shift the curve to the right or left, the P 50 changes accordingly.
A2A: Quickly speaking, the heme group contains the famous iron ion that is in hemoglobin, that binds to and carries oxygen. The iron atom has a very strong covalent bond with the globular protein on the proximal histidine of the protein (the F8 histidine residue), on histidine's imidazole ring. Even with this strong covalent bond, the iron still has the ability to bind with oxygen via a dipolar or coordinate covalent bond. That is the electrostatic bond that hemoglobin is involved in, not the one that binds heme to the globin proteins in the first place. So the iron atom is not only involved in keeping the heme group attached to the globin proteins, but it is the functional oxygen-carrying component of the hemoglobin molecule.