Each hemoglobin molecule is made of four subunits, each containing a heme group that can bind one molecule of oxygen. Therefore, one molecule of hemoglobin can bind four molecules of oxygen. Oxyhemoglobin is hemoglobin bound by oxygen, and it gives oxygen-rich blood a red color.ach hemoglobin molecule is made of four subunits, each containing a heme group that can bind one molecule of oxygen. Therefore, one molecule of hemoglobin can bind four molecules of oxygen. Oxyhemoglobin is hemoglobin bound by oxygen, and it gives oxygen-rich blood a red color.
The First Reich was the Holy Roman Empire. There is little agreement as to when it was founded. Most German historians date the foundation from the coronation of Otto I in 962. That 'empire' had a continuous existence till 1806. The Second Reich was created by Bismarck in 1871 and lasted till 1918.
The Axis of Power Usually there is known to be three main countries in the Axis Powers. Germany, Italy and Japan are the major three they are also known as the Tri Axis.However there are more countries in the Axis Powers then just those three, there is Austria-Hungary, Romania, and Bulgaria among others.he Axis Powers, is just the title Germany and those allied with Germany gave themselves for World War Two, just like in World War One they were known as the Central Powers although in World War One these were not all the same countries allied with Germany. Hope this helps!