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The point of the loop of Henle is to reduce the quantity of water in the filtrate and so reduce water loss. The loop is split into three key areas: The descending limb, the thin ascending limb and the thi...
DNA Helicase - unwinds and unzips the DNA double helix by breaking the hydrogen bonds DNA Gyrase - this helps to stabilise the single strands Single-Strand Bindin...
Cardiac tissues such as those present in the heart have a high energy requirement as they must contract strongly to facilitate the transportation of blood around the body. This requires a high level of en...
Genetic diversity is a measure of the number of alleles (The amount of genetic variety) in a given population.
The process begins when excess fertiliser, which has been used for farming, is flushed into rivers or lakes by rainwater. The fertiliser then provides nutrients such as nitrates which allow plant life in ...
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