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Questions and Answers
What is the function of heme in hemoglobin?
What is the function of heme in hemoglobin?
- Part of an enzyme’s active site for hydrogen peroxide breakdown
- Free radical scavenger
- Reversible oxygen binder (correct)
- Electron carrier for oxidation/reduction reactions
Which chromosome codes for the alpha chains of hemoglobin?
Which chromosome codes for the alpha chains of hemoglobin?
- Chromosome 6
- Chromosome 16 (correct)
- Chromosome 11
- Chromosome 22
What is the primary component of the globin part of hemoglobin?
What is the primary component of the globin part of hemoglobin?
- 4 polypeptide chains (correct)
- Iron and protoporphyrin IX
- Beta chains
- Hemin (Fe3+)
Which of the following is a treatment for Porphyrias?
Which of the following is a treatment for Porphyrias?
What is the genetic inheritance pattern of most Porphyrias?
What is the genetic inheritance pattern of most Porphyrias?
Flashcards
Heme's function in hemoglobin
Heme's function in hemoglobin
Reversible oxygen binding
Chromosome for alpha-globin
Chromosome for alpha-globin
Chromosome 16
Hemoglobin's globin part
Hemoglobin's globin part
4 polypeptide chains
Porphyria treatment
Porphyria treatment
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Porphyria inheritance pattern
Porphyria inheritance pattern
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Study Notes
Hemoglobin Function and Structure
- Heme is responsible for binding oxygen in hemoglobin, allowing it to transport oxygen from lungs to body tissues.
- Alpha chains of hemoglobin are coded by genes located on chromosome 16.
Globin Part of Hemoglobin
- The primary component of the globin part of hemoglobin is globin proteins, which surround the heme group.
Porphyrias
- One treatment for Porphyrias is avoiding exposure to triggers such as sunlight, certain drugs, and hormonal changes.
- Most Porphyrias follow an autosomal dominant inheritance pattern, meaning a single copy of the mutated gene is enough to cause the condition.
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