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When a phagocyte recognises the antigens on a pathogen, it engulfs the pathogen. The pathogen becomes contained in a phagocytic vacuole. A lysosome fuses with the phagocytic vacuole and digestive enzymes ...

Linked genes are genes found on the same chromosome. Chromosomes are distinct 'sections' of DNA, and each gene in an organism has its own place on a chromosome. When genes are linked, it means that allele...

Schwann cells are found wrapped along the axons of some of the neurones of the peripheral nervous system (PNS).They secrete a lipid-based substance known...

Mitosis is cell division as a result of normal cell growth that occurs in all tissue types to replace old cells as they become senescent. This result of mitotic cell division is two daughter cells with id...

A synapse is a chemical junction between a neurone and another cell. This next cell is often another neurone or a muscle cell. In this case we will describe a synapse between a two neurone cells. When an ...