University:
Northwest College
Course:
MOLB-2210 | General Microbiology
Academic year:

2023
Views:

212

Pages:

2
Author:

Yesenia M.

CH7. Fundamentals of microbial growthe decontamination microbial gn nih: ha prees very fast How is bactend able to repliante Brofilms occur in surfaces such as fic, beart valves the Budding similar to binary fissio but dift is you hore smaller cers asexeal (Bactens and fungi undergs bidding) -Bactena Fungi able to create spores, what they are used differently Bactena Harshennronments Fungi: reproduction Baetenal cndospores ate strong mo of theek keratin wall they have they are renstant to alot of thongs. 15min-24h15 Generation Time how long it takes a cell to divide dependson nutnente you hone available. Bactena-4 distinct Caronith Phases Lag Phase decide whether they need to replicate and if they ree to make necessang proteins. biss Log Phase rapid expansion of butena stationare phase same of bactend that. I are being generated, are the same as the mes dying Death Phase you nun out nutnent's more baltena die that the ones being once you get to Temp peak of log phase, produced can longer maintals the same rate Is the lon-tem- 24/1c reactions increased temp-growth rato and enzymatic reactions High temps will kill cell. Conaximum, minimal, of hinal) psychnsteopes-like the cold Mestphiks middle thermophiles-like hot temps neutralonmiles-mast audoriniles-like cutic environment will be found in aand environmens (PH (5) Faustatore philes kalophiles Koranger (PA 5-8) (9-10) Antioxidants buyt aging Obligate aerobes beed of to surme muna eroghiks: Use/tol only steall gynt of oxygen fucultative: can use Oxygen but they do I need it can use of or fermentanon Maerobes dont use 02 gerstolerant anaerobes can be exposed to 12, but will so use it. Obligate angerobes anderobes will most likely bein deeper tissues es opposed to lissue t brening connectino to the outside. -we can calegonce organisms by the way in which they gather encpar Photo Trops is enemotroys mannitol salt agal more differential for staph deuuns mill be gold on your mannitol salt des disinfectant more harsh can use or living exin. aseptic-on homan tisses Stente (autoclave)-will wire out everything will crea remore vitasel decontarningtion physically removing amt of bactena in a certain area. some bactena will survive but will be enough to get you sick. -Deumal reduction Пре * know diff between thermal death time and thermal death point *