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Membranes are largely used for the creation of optimum conditions. Membranes therefore keep the contents of organelles in isolation from the cytoplasm. Membranes may also be used to form transport vesicle...

Simple molecules are able to move through the capillaries down the concentration gradient. An example of this would be oxygen moving from oxygen rich blood into the surrounding muscle. Other molecules are...

The loop of Henle is made up first of a descending limb and then an ascending limb. The descending limb is permeable to both water and sodium and chloride ions, whereas the ascending limb is impermeable t...

Cellular Respiration is a three-step process. The Electron Transport Chain (ETC) is the final step of this process, generating majority of the ATP. The first two steps of Glycolysis and Citric Acid Cycle ...

Due to the afferent arteriole going towards the glomerulus having a having a larger diameter than the efferent arteriole leaving the glomerulus the pressure increases in the glomerulus. This causes the s...