Micro essay question. Biological & Biomedical Sciences Essay

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Micro Essay Question
Most of the existing vaccines are prepared using an inactivated version of the disease-causing organism or an attenuated pathogen. A synthetic peptide vaccine is composed of 23 to 30 amino acids. Such amino acids contain a particular epitope of an antigen related to the infectious disease that the vaccine is aimed at preventing. Making a synthetic peptide vaccine involves identifying the peptide sequence that triggers a protective immune system in the body. The synthetic versions of the peptide are then used to prepare the vaccine substance. The peptide antigens used to induce antibodies, which, in turn, can recognize the attenuated form of protein used in making their sequence, thus fighting the infection. The fact that it is a synthetic vaccine that eliminates the chances of it mutating or being contaminated by other toxins.
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