power stroke
What power stroke means in Biology A-Level, as defined for AQA.
Definition of power stroke
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Reference: AQA
The bending of the myosin head that pulls the actin filament towards the centre of the sarcomere, driven by the release of ADP and Pi.
Topics that use power stroke
Related terms
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- myoglobin and mitochondria
- resistance to fatigue
Using power stroke in the exam
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