Biology · MilesDown: Biology

Question

A low pH means a ____ heme affinity for O2.

Answer

A low pH means a low heme affinity for O2.
Bohr Shift: A low pH means a low heme affinity for O 2 .
H+ is an inhibitor of heme, so it causes the heme to release its O2
This is called the Bohr Shift. The oxygen saturation curve will shift right in response to a low pH (high H+ concentration)
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