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Throughout the body, blood is transported through vessels (arteries, veins and capillaries). Within the arteries (biggest vessels), different factors can cause the build up of cholesterol in the wall of t...

Non- disjunction in meiosis can take place at both anaphase I and II. When there is an error in the separation of homologous chromosomes (anaphase I) or sister chromatids (anaphase II), one of the gametes...

Bile basically has the same function as washing up liquid, it makes it easier to break down fatty material. It is released by the liver, and stored in the gall bladder, before being released into the smal...

The first step in biology is always to make sure you understand and always use specialist biological terms - it's often said you almost learn more vocab in biology A level than you do in French, ...