33. Band 3 protein exists as a 95-kDa multipass membrane protein that functions as the primary anion exchanger in erythrocytes. Within the red blood cell (RBC) membrane, band 3 binds to spectrin dimers and tetramers indirectly through ankyrin. The spectrin tetramers are bound together by actin and band 4.1 protein, which also binds to band 3 and glycophorin. Null mutations in band 3 occur in the human population. Which one of the following is most likely to decrease in the absence of band 3 protein?

Human Heredity: Principles and Issues (MindTap Course List)
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Author:Michael Cummings
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Chapter17: Genes And The Immune System
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33. Band 3 protein exists as a 95-kDa multipass membrane protein that
functions as the primary anion exchanger in erythrocytes. Within the red
blood cell (RBC) membrane, band 3 binds to spectrin dimers and tetramers
indirectly through ankyrin. The spectrin tetramers are bound together by
actin and band 4.1 protein, which also binds to band 3 and glycophorin.
Null mutations in band 3 occur in the human population. Which one of
the following is most likely to decrease in the absence of band 3 protein?
a. Osmotic fragility
b. Destruction of RBCS in the spleen
c. Bile production
d. Erythroid production in the bone marrow
e. Blood pH
Transcribed Image Text:33. Band 3 protein exists as a 95-kDa multipass membrane protein that functions as the primary anion exchanger in erythrocytes. Within the red blood cell (RBC) membrane, band 3 binds to spectrin dimers and tetramers indirectly through ankyrin. The spectrin tetramers are bound together by actin and band 4.1 protein, which also binds to band 3 and glycophorin. Null mutations in band 3 occur in the human population. Which one of the following is most likely to decrease in the absence of band 3 protein? a. Osmotic fragility b. Destruction of RBCS in the spleen c. Bile production d. Erythroid production in the bone marrow e. Blood pH
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