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The hemoglobin of sickle cell anemia:

1. is oxygen rich
2. can carry less oxygen and more carbon dioxide
3. is normal
4. differs from the normal protein by one amino acid

Respuesta :

Answer:

2. Can carry less oxygen and more carbon dioxide.

Explanation:

Sickle cell anemia damages and inhibits hemoglobin in red blood cells reducing how much oxygen they can carry.