Glossary
Browse the glossary using this index
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secondary barrierA sanitation and hygiene barrier that prevents infectious pathogens being ingested by a future victim. For example, using a clean water source when preparing food. | |
secondary metabolitesA type of metabolite that is not essential for growth and development. | |
selection | |
selective pressureThe factors that contribute to selection. For example, predation, nutrients or the presence of antibiotics. | |
selective toxicityThe targeting of drugs to affect only the disease-causing, pathogenic organism and minimise damage to the host cells and commensals. | |
self-medicateTo take drugs bought over-the-counter without medical supervision. | |
semi-permeable membranesMembranes that allow only some molecules to pass through. | |
streptomycinAn aminoglycoside antibiotic routinely used to treat several bacterial infections, including tuberculosis. | |
structural analogueA compound having a structure similar to that of another compound but a different function. | |
substrateThe chemical on which an enzyme acts. It binds to the enzyme and is converted into a product or products through the action of the enzyme. | |