9 Questions
What is the enzyme that catalyzes the conversion of CO2 into carbonic acid?
carbonic anhydrase
What happens to carbonic acid in the lungs?
It is converted back to CO2 and water
What is the process called when H+ dissociates from hemoglobin and combines with bicarbonate in the lungs?
formation of carbonic acid
What is the majority of CO2 transported via?
bicarbonate
What is the term used for the exchange of bicarbonate and chloride across the membrane of red blood cells?
chloride shift
What is the purpose of the chloride shift?
To maintain electroneutrality in the RBC
What happens to CO2 once it diffuses into RBCs?
It is converted into carbonic acid
What happens to HCO3- ions in RBCs?
They cannot easily cross the cell membrane
What binds to H+ ions in the red blood cells?
haemoglobin
Test your knowledge on the role of bicarbonate in CO2 transport and the enzymatic conversion of CO2 into carbonic acid. Explore how bicarbonate is hydrolyzed and the role of haemoglobin in buffering the process.
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