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The small intestine has several adaptations to facilitate the absorption of nutrients: a short diffusion distance (single layer of epithelium) to maximise absorption, a good blood supply to rapidly transp...

The introduction is the starting point of an essay and when attempting to present a strong argument it is important that you begin with an impactful introduction.  The purpose of an introduction is to sum...

Electrons travel down the electron transport chain via electron carriers at successively lower energy levels. This causes protons to be pumped into the intermembranal space, establishing an electrochemica...

Ich helfe meinem Freund, einem jungen Briten, Deutsch zu lernen.

First rearrange to get 5x² - 10x - 4 = 0 , by subtracting 10x and 4 from both sides of the equation. Here, we can use the quadratic formula which is x = -b+- sqrt(b² -4ac) / 2a. In o...