Haemoglobin
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1
What carries oxygen around the body?
Hemoglobin
2
What does hemoglobin transport?
Oxygen
3
What determines hemoglobin's ability to carry oxygen?
Partial pressure of oxygen
4
What affects hemoglobin's oxygen loading?
Partial pressure of oxygen
5
What is the Bohr effect?
Effect of CO2 on oxygen unloading
6
What is hemoglobin's affinity for oxygen at high CO2?
Low affinity
7
What happens to hemoglobin at high partial pressure of oxygen?
Oxygen binds more readily
8
What is hemoglobin's behavior in different organisms?
Adapted to environments
9
What happens at low oxygen concentration?
Hemoglobin loads oxygen easily
10
What does a dissociation curve show?
Hemoglobin saturation at oxygen pressures
11
What shape is the dissociation curve?
S-shaped
12
What does the S-shape indicate?
Binding and release of oxygen
13
Why is the S-shape important?
Shows oxygen loading and unloading
14
What does a high partial pressure of oxygen mean?
More oxygen binds to hemoglobin
15
What happens when partial pressure of oxygen is low?
Oxygen is released from hemoglobin
16
Why do organisms in low-oxygen environments have special hemoglobin?
To load oxygen efficiently
17
What curve represents a higher affinity for oxygen?
Curve shifted left
18
What curve represents a lower affinity for oxygen?
Curve shifted right
19
What do the letters A, B, C, D represent?
Different hemoglobin types in organisms
20
Why is hemoglobin adapted for different environments?
To survive in specific conditions
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