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  1. DAT Destroyer

    DAT DAT and OAT Biology: Hemoglobin Quaternary Structure | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    Hemoglobin carries oxygen from the lungs to tissues throughout the body. How well do you know the quaternary structure of normal adult human hemoglobin? Choose your answer before checking Dr. Romano’s explanation on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano...
  2. DAT Destroyer

    DAT and OAT Biology: Hemoglobin Quaternary Structure | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    Hemoglobin carries oxygen from the lungs to tissues throughout the body. How well do you know the quaternary structure of normal adult human hemoglobin? Choose your answer before checking Dr. Romano’s explanation on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano...
  3. DAT Destroyer

    DAT DAT Biology Challenge | DAT Destroyer | OAT Destroyer | Dr. Jim Romano

    The D/L system is actually based on an amino acid's structural relationship to glyceraldehyde. Understanding this distinction is important for DAT Biology, Organic Chemistry, and Biochemistry. Can you explain why choice D is correct and why choice B is not? If you're preparing for the DAT...
  4. DAT Destroyer

    DAT Which Protein Lacks a Quaternary Structure? | DAT Destroyer | OAT Destroyer

    Which of the following proteins is devoid of a quaternary structure? A) Myoglobin B) Keratin C) Hemoglobin D) Immunoglobin E) Collagen F) Two of these G) None of these (See answer below.) Correct Answer: A) Myoglobin Explanation: Myoglobin does not have a quaternary structure because it...