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The Loop of Henle is an important part of the kidney nephron in forming concentrated urine. It is a long loop, which forms something known as a hairpin countercurrent mechanism. It is called countercurrent b...

The induced fit model is a way of explaining how an enzyme can aid in a biological reaction. When the active site of an enzyme comes into contact with the substrate, the enzyme will attempt to mould itself a...

As kinetic energy increases, enzyme and substrate molecules collide with more frequency allowing more enzyme substrate complexes to be formed. With increasing temperature, the tertiary structure of the prote...

Strictly speaking, it is the heritable changes in the function of your genes that do not involve a change in your DNA's base sequence. Simply put, it is the way in which we regulate whether a gene is transcr...

The three main hormones to consider are: insulin, glucagon, and adrenaline. All three act on receptors on their target cells. Insulin results in the mobilisation of channel proteins in cell vesicles that are...