microbiology - microbe ecology Flashcards
pasteurisation
the process of heating a food to a specific temperature for a specific period of time in order to kill microorganisms that could cause disease, spoilage or undesired fermentation.
symbiosis
living together of 2 or more organisms
3 types of synbiosis
mutualism
commensalism
parasitism
mutualism
both organisms benefit
commensalism
one species benefit while the other is unharmed
parasitism
one species benefits while the other is harmed
which micro organisms are the main decomposes
bacteria and fungi
how does bacteria and fungi decompose
break down dead plants and animals and return the nutrients to the soil
bacteria in the nitrogen cycle
bacteria can convert atmospheric nitrogen to ammonia and nitrates
examples of microbial producers
Autotrophic bacteria
algae
what does antibiotics target
bacterial infections only
why must a course of antibiotics be complete
1st does of antibiotics kills the weak bacteria and if the course is incomplete, the stronger bacteria left behind multiplies amd overtime become resistant to antibiotics
which microorganism is used for insulin
bacteria - E.coil