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In the blood, the enzyme carbonic anhydrase allows water and CO2 to combine to form hydrogen carbonate ions and hydrogen ions. In the presence of many hydrogen ions, oxygen has a weaker affinity for haemo...

When asked a question like this in a medical school interview or entry test it is imperative to outline and explore the four pillars of medical ethics. These are beneficence, non-malficence, justice and a...

Both a food chain and a food web show the transfer of energy through an ecosystem, from autotrophs to final consumers. However, they have a number of differences. A food chain only shows one path of energ...

Firstly notice that to find a stationary point of a curve with an equation, the best first step is often to differentiate the expression. Then solve the equation for x when dy/dx = 0. In this case the y e...

Structure your answer and remember to give examples and reasons to back up your opinions. Remember to try and use as many tenses and grammatical structures as possible to show the examiner that you know h...