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Questions and Answers
What is the main function of hemoglobin in the body?
What is the main function of hemoglobin in the body?
- Regulating blood pressure
- Producing red blood cells
- Carrying oxygen in red blood cells (correct)
- Breaking down toxins in the blood
How many subunits of alpha-globin make up hemoglobin?
How many subunits of alpha-globin make up hemoglobin?
- One
- Two (correct)
- Four
- Three
What structural change in hemoglobin can lead to sickle cell disease?
What structural change in hemoglobin can lead to sickle cell disease?
- A change in the color of hemoglobin
- An increase in the size of hemoglobin molecules
- A single amino acid change in one of hemoglobin’s polypeptide chains (correct)
- A change in the number of subunits in hemoglobin
What does sickle cell disease result from?
What does sickle cell disease result from?
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How many oxygen molecules can each subunit of hemoglobin bind to?
How many oxygen molecules can each subunit of hemoglobin bind to?
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