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Attempt 4 Unlimited attempts per question. Correct Answer X -5% partial credit for incorrect Chapter 9 Homework attempts. Macmillan Learning Sickling occurs in deoxyhemoglobin S but not in oxyhemoglobin S. Oxyhemoglobin has a small, hydrophobic pocket in a p No late submissions. hain region located in the interior of the protein. In deoxyhemoglobin, however, this pocket is located on the surface of the Get immediate feedback on each protein. In deoxyhemoglobin S, Val 6 interacts with this surface pocket, leading to aggregation of HbS question View solution explanations after completing each question. Choose two amino acids that would be reasonable candidates for the pocket-Val 6 interaction. Access to supplemental resources. phenylalanine Solved I z attempts serine leucine 20 Unlimited attempts asparagine glutamate Q21 Unlimited attempts Incorrect Answer Q22 +90 Solved in 3 attempts How does HbS aggregation occur in sickle-cell anemia? Place the steps in the correct order. Note that deoxyhemoglobin is in the T state; oxyhemoglobin is in the R state. Q23 +83 Unlimited attempts possible +93 No aggregation