Physical Education A-Level
Cooperative binding and the sigmoid curve
What Cooperative binding and the sigmoid curve means in Physical Education A-Level, as defined for AQA.
Definition of Cooperative binding and the sigmoid curve
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Reference: AQA
The curve is S-shaped because binding the first oxygen molecule changes the shape of haemoglobin and makes binding the next molecules easier.
Topics that use Cooperative binding and the sigmoid curve
- Cardiovascular system (AQA A-Level)
Related terms
- Affinity for oxygen
- Antagonistic action of the two divisions
- Anticipatory rise
- Autonomic control of heart rate
- Baroreceptors
- Bohr shift during exercise
- Cardiac output
- Cardiac output and oxygen uptake
Using Cooperative binding and the sigmoid curve in the exam
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