Hemoglobin a Differs from Hemoglobin S in Having Two More

question 122

Multiple Choice

Hemoglobin A differs from hemoglobin S in having two more anionic groups (both hemoglobins have a molecular weight of approximately 67,000) . Which one of the following separation methods is most likely to distinguish between these two hemoglobins?

• A) Precipitation with ethanol
• B) Gel filtration
• C) Ultracentrifugation
• D) Electrophoresis

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