The Bohr Effect Flashcards
1
Q
What is the Bohr effect
A
If the ODC curve worked out at different co2 partial pressure then Bohr effect is seen
2
Q
Where would co2 concentration be high
A
In respiring cells eg muscles
3
Q
What happens when co2 high
A
- Low affinity for o2
- o2 readily unloaded into muscle cells
4
Q
What causes o2 to be readily unloaded
A
Low ph
5
Q
What causes low ph
A
Dissolved co2 is acidic
6
Q
How does low ph allow o2 to be released more easily
A
Cause hb to change shape allowing o2 being realised easily
7
Q
Where is co2 conc low
A
At gas exchange surfaces
8
Q
Why does gas exchange Cause low co2
A
Diffuses across exchange surfaces and excreted from organisms
9
Q
What does low co2 cause
A
- High affinity for o2
- o2 readily loaded by hb
10
Q
What does the Bohr effect cause
A
Makes hbo8 less efficient at holding onto its o2
