Multiple Choice
In sickle-cell disease,
A) a clotting factor in the blood is nonfunctional.
B) the sixth amino acid is changed from a valine to a glutamic acid.
C) the sixth amino acid is changed to a stop codon.
D) hemoglobin builds up in the red blood cells.
E) the structure of -globin is altered, and the hemoglobin protein forms aggregates in the red blood cells.
Correct Answer:

Verified
Correct Answer:
Verified
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