Questions and Answers
What is formed when carbon dioxide binds to hemoglobin?
What effect does carbaminohemoglobin have on hemoglobin's affinity for oxygen?
Lowers hemoglobin's affinity for oxygen.
What is the distinctive color of carbaminohemoglobin?
Blue
Which term describes the form of hemoglobin in red blood cells after oxygen is released?
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What is formed when hemoglobin is combined with carbon monoxide?
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Study Notes
Types of Hemoglobin
- Carbinohemoglobin: Formed when carbon dioxide binds to hemoglobin, decreasing its oxygen affinity through the Bohr effect.
- Haldane Effect: Describes increased affinity of deoxygenated hemoglobin for hydrogen ions (H+), enhancing carbon dioxide transport as oxygen is offloaded.
- Color Indicators: Carbinohemoglobin contributes to the blue hue of deoxygenated venous blood, while oxygenated arterial blood is bright red.
- Transport Mechanism: One hemoglobin molecule can bind and transport up to four carbon dioxide molecules by forming amide linkages to the terminal amine groups of protein chains in its deoxygenated state.
Reduced Hemoglobin
- Represents the form of hemoglobin after oxygen is released in tissues, essential for continuing the oxygen transport cycle.
Carboxyhemoglobin
- Created when hemoglobin binds with carbon monoxide, which occupies oxygen-binding sites and is not easily displaced, leading to potential toxicity.
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Explore key concepts related to hemoglobin types in this flashcard quiz. Each card presents important terms and their definitions, focusing on the biochemical interactions of hemoglobin with gases like oxygen and carbon dioxide. Perfect for students studying physiology or biochemistry.
