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Vaccines contain strains of an attenuated Pathogen. This means there is a dead or inactive form of the virus you are protecting against in the vaccine. This could be a like DNA segments or some lipid memb...

The Krebs cycle is one of the steps of cellular respiration - the process that allows organic molecules to be broken down in a series of stages to release chemical potential energy, which is used to synth...

Pathogens like viruses and bacteria reproduce rapidly within the body's cells which causes damage. Bacteria particularly may produce toxins which make you feel ill.White blood cells ingest bacteria or vir...