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After passing through a capillary b ed those 100 molecules of hemoglobin become 75% saturated with...

After passing through a capillary b
ed those 100 molecules of hemoglobin become 75% saturated with oxygen. how many molecules of oxygen were uploaded

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Hemoglobin, or Hb, is a protein molecule found in red blood cells (erythrocytes) made of four subunits: two alpha subunits and two beta subunits. Each subunit surrounds a central heme group that contains iron and binds one oxygen molecule, allowing each hemoglobin molecule to bind four oxygen molecules.

Polypeptide chain B chain a chain Iron Fe Heme Hemoglobin

As the Saturation is 75%

So, with 1 molecule of Hemoglobin only 3 molecules of Oxygen attaches, Hence with

100 molecules of Hemoglobin = 100 X 3 molecule of Oxygen binds = 300 molecules of Oxygen.

​​

Hence with 100 molecule of Hemoglobin gets attached with 300 molecules of Oxygen and were uploaded.

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