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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...

Enzymes are typically globular proteins that catalyse a specific reaction. Being proteins, enzymes have a well-defined overall conformation (shape), or 'tertiary structure', which allows formation of a ca...

Antibodies are produced by B cells, mostly by plasma cells, in response to signals from other cells of the immune system. They are also known as immunoglobulins and have a Y shaped structure.

When ...