Exposuet so carboe monoside (CO) can lead to unconsciousess and altimately death. Suffocatios occurs when hemoglobin is Death may occur at this point. Why does drath eocur if half the enygen-binding sites wer will available to traniport O_(j) ? The CO conbines with eayzen molecules to form escessire anounts of CO_(2). The binding of CO sublizes the T state of hemoglotin, resulting in a lower alfinity for orysen. The Evinling of CO shifts henoglebis to the R state, eembling in a higher affinity for exyen.
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Suffocation occurs when hemoglobin is half-saturated with CO. That is, suffocation occurs when only two of every four oxygen-binding sites are occupied with CO. Death may occur at this point. Why does death occur if half the oxygen-binding sites are still Show more…
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Carbon monoxide (CO) binds to myoglobin and causes it to denature. is rapidly converted to CO2 leading to O2 release. binds to the globin portion of hemoglobin and prevents the binding of O2. binds to the Fe in hemoglobin and prevents the binding of O2. binds to the heme portion of hemoglobin and causes heme to unbind from hemoglobin.
Adi S.
Carbon monoxide (CO) is a colorless, odorless gas found in furnace and automobile engine exhaust and cigarette smoke. CO binds to hemoglobin 210 times more tightly than does $\mathrm{O}_{2} . \mathrm{CO}$ also binds with an electron transport protein and disrupts cellular respiration. Explain why CO is such a deadly gas.
Hemal K.
Hemoglobin is the molecule in your red blood cells that carries oxygen from your lungs to your body cells. Each hemoglobin molecule can carry 4 oxygen molecules, forming a complex as it travels through the bloodstream (Hb(O2)4). Carbon monoxide poisoning occurs when carbon monoxide is inhaled, and binds with hemoglobin (forming Hb(CO)4), preventing oxygen from being able to bind to hemoglobin. When oxygen can't bind to hemoglobin, it can't be delivered to the body cells that need it. The treatment used for victims of carbon monoxide poisoning is inhaling pure oxygen from a mask for an extended period of time. Hb(O2)4(aq) + 4CO(g) ⇌ Hb(CO)4(aq) + 4O2(g) Keq = 218 a. What does the Keq value indicate about why carbon monoxide is so poisonous? (1) b. Explain in terms of Le Chatelier's principle why breathing highly concentrated oxygen would be helpful for CO poisoning victims. (1) c. Does the bloodstream of a patient receiving oxygen treatment represent an equilibrium situation? Why or why not? (2)
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