Biology, 02.04.2020 04:38 madiness05
Crocodile hemoglobin does not bind 2,3-BPG. Instead, it binds bicarbonate ion, which is a strong negative allosteric effector. Why might crocodiles have a hemoglobin that is responsive to HCO−3 instead of 2,3-BPG? Recall that crocodiles hold their prey underwater to kill them. a. As the crocodile stays underwater, its hemoglobin delivers most of the bound HCO−3 as a result of decreased binding of O2 to the R conformation.
b. As the crocodile stays underwater, its hemoglobin delivers most of the bound O2 as a result of increased binding of HCO−3 to the T conformation.
c. As the crocodile stays underwater, its hemoglobin delivers most of the bound O2 as a result of decreased binding of HCO−3 to the R conformation.
d. As the crocodile stays underwater, its hemoglobin delivers most of the bound HCO−3 as a result of increased binding of O2 to the T conformation.
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Crocodile hemoglobin does not bind 2,3-BPG. Instead, it binds bicarbonate ion, which is a strong neg...
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