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Biconcave discs- to increase surface area for oxygen carriage Haemoglobin- increases affinity for oxygen uptake at the lungs. However, at the respiring tissues, the increased CO2 concentration allow relea...

Osmosis is the movement of water across a semi-permeable membrane

Beyond the 'typical medical school interview questions' that are still fair game, oxbridge interviews are infamous for employing an array of unconventional questions that can be intimidating for the unpre...

The electron transport chain is a series of four protein complexes, along with accessory electron carriers, embedded in the inner mitochondrial membrane of mitochondria. ...

Whilst it is unlikely that an A-level student would be able to give the 'expected' answer to this question, as this would require knowledge of the biological phenomena of circadian rhythms, this question ...