The figure below shows how differential centrifugation can be used to isolate four subcellular fractions.Which fraction corresponds to the mitochondrial fraction? 
Definitions:
Disposable Sensor
A single-use sensor designed for monitoring various physiological parameters, ensuring sterility and reducing the risk of infection.
Pulse Oximetry
A non-invasive method to measure the oxygen saturation level of the blood, usually with a clip-on device.
Latex
A natural rubber material commonly used in gloves, medical devices, and other products, which can cause allergic reactions in some individuals.
Pediatric Blood Pressure
The measurement of the force of blood against artery walls in children, used to assess cardiovascular health.
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