12 Questions
What is the primary function of the Red blood cell?
To manufacture hemoglobin
What is the component of hemoglobin that combines with four iron atoms to form heme molecules?
Protoporphyrin IX
What is the state of hemoglobin that has a higher affinity for oxygen?
Relaxed (R) state
What is the molecule that is sometimes a resident in the center of the hemoglobin unit?
2,3 Diphosphoglycerate
Where are the globin chains produced in red blood cells?
On specific ribosomes in the cytoplasm
What determines the type of hemoglobin formed in each hemoglobin molecule?
The four polypeptide chains
What is the role of the four iron atoms in hemoglobin synthesis?
To combine with Protoporphyrin IX to form heme
What happens to hemoglobin when oxygen binds to it?
It undergoes a conformational change to the R state
What determines the type of hemoglobin formed in each hemoglobin molecule?
The type of globin chains present
What is the state of hemoglobin in the absence of oxygen?
T state
What is the function of the four subunits in hemoglobin?
To bind to oxygen
What is the structural change that occurs in hemoglobin when oxygen binds?
A readjustment of interactions between subunits
This quiz covers the components and synthesis of hemoglobin, a crucial protein in red blood cells responsible for oxygen transport. Learn about the structure and function of hemoglobin and its role in transporting oxygen and carbon dioxide.
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