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The filtration barrier between blood and filtrate comprises of 3 main structures: fenestrated endothelium of the arteriole, glomerular basement membrane and specialised cells called podocytes with slit di...

1. Arteries don't have valves, unlike veins. 2. Arteries have more elastic walls in comparison to veins. 3. Arteries have less collagen than veins. 4. Arteries have a narrower lumen in comparison to ve...

can be summarised with acronym MRS GRENmovement, respiration, sensitivity, growth, reproduction, excretion and nutrition.

Cancer cells have damaged or mutated DNA. If p53 was functioning, it would stop the cell cycle and ensure damaged cells did not multiply. However, if the gene coding for p53 is faulty, cell division would...

DNA (deoxyribose nucleic acid) is made of up two strands of nucleotides that are twisted together to make a double helix (twisted struct...