1. When is myoglobin's affinity for O2 at its lowest?
- In very low O2 levels
- In very high O2 levels
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2. What effect does increasing pO2 have on Hb?
- It shifts the equilibrium so more Hb exists in the deoxy state
- It causes more oxygen to be unloaded
- It shifts the equilibrium so more Hb exists in the oxy state
- It increases the affinity for O2
3. What is a characteristic of HbS?
- Lack of porphryin ring
- Formation of long insoluble filaments in oxy form
- Formation of long insoluble filaments in deoxy form
- Crescent shaped Haem groups
4. What is BPG an example of?
- Negative allosteric inhibitor of Hb
- Allosteric promotor of Hb
- Co-enzyme of Hb
5. Where is the affinity of Hb for O2 highest?
- In the systemic arteries
- In the systemic veins
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