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ADH diffuses into the bloodstream and acts in the kidney to regulate the volume and concentration of the urine . The ADH binds onto the receptors on the collecting duct controlling the permeability of the...

Cerebrum (also called the cerebral cortex) gives us our personality and intelligence CereBELLum keeps us balanced and controls coordination (the way I remember this is that BELLe from beauty and the beast...

I = A X M M = I / A mm -> μm (x10000) 9 cm = 90000 μm90000 / 3.6 = x 25000 magnification

Every enzyme has a unique shape. They have a region called the 'active site' where a substrate can bind. This site of the enzyme is a particular shape and only substrates that fit this site exactly can bi...

Bacteria can mutate and this mutation can make them resistant to an antibiotic. Treating this infection then means that only the non-resistant strains of bacteria will be killed. The resistant bacteria wi...