BIOL 3P43 Midterm: Lecture 8 Condensed

• School: Brock University
• Department: Biological Sciences
• Course: BIOL 3P43
• Professor: Bidochka

Document Summary

If previously, the container was used for broth and was sterilized and then you use it, along the lining of the glass, you will have different proteins on it. Stages of biofilm development: cells attach to surface, grow, produce a biofilm and they can grow into mushroom looking towers. There are solid liquid interfaces, moist soft tissue air interfaces and liquid air interfaces. biofilms on the teeth, requires no special equipment and very little time. The biofilm physically contains substances that are released by microorganisms, making them more available to other microbes in the biofilm. classic example of this is provided by the degradation of cellulose. Cellulolytic microbes are able to break the cellulose into sugar monomers, which fermenting bacteria can use, giving off smaller organic acids, carbon-dioxide and hydrogen gas, which methanogens or sulfate reducers use for their carbon and energy. In nature, biofilms are found on most moist surfaces, on plant roots, and within nearly every living animal.