PHYSIOLOGY
BLOOD PHYSIOLOGY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Oxygen-transporting protein in red blood cells that gives the cells their characteristic red color.
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thrombin
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hematocrit
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hemoglobin
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hemostasis
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Explanation:
Detailed explanation-1: -Hemoglobin (Heme + Globin) The protein hemoglobin is a molecule which is responsible for carrying almost all of the oxygen in the blood. It is composed of four subunits, each with a heme group plus a globin chain.
Detailed explanation-2: -Each iron atom binds to one oxygen molecule. Therefore, each hemoglobin molecule has four oxygen binding sites. Consequently, each molecule of hemoglobin carries four oxygen molecules, which makes it a very efficient way to transport oxygen.
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