How does cooperative binding work?
a. Hemoglobin molecules form clumps and accumulate extra oxygen in the pile-up.
b. Conformational changes in red blood cells allow for additional oxygen molecules once one is picked up.
c. Hemoglobin is more likely to bind to oxygen once one O2 is bound.
d. When O2 is bound to hemoglobin, a CO2 molecule can also bind to hemoglobin
Ans: c. Hemoglobin is more likely to bind to oxygen once one O2 is bound.
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