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Erstellt / Aktualisiert 15.05.2022 / 22.05.2022
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0 Exakte Antworten 22 Text Antworten 58 Multiple Choice Antworten
Fenster schliessen

Erwinia amylovora, Citrobacter fruendii, Proteus vulgaris – potential in amy________ production

Erwinia amylovora, Citrobacter fruendii, Proteus vulgaris – potential in amylase production

Fenster schliessen

examples of pathogenic Enterobacteriaceae

Salmonella, Shigella dysenteriae, and Yersinia enterocolitica

Salmonella, Shigella dysenterrier, and Yersinia enterocatholica

Escherichia coli, Klebsiella, and Shigella

Enterobacter and Citrobacter

S. xylosus and S. carnosus

Fenster schliessen

Coliforms 1

majority capable of reducing nitrate, decomposition of proteins

capable of reducing nitrate, decomposition of proteins or amino acids

majority incapable of reducing nitrate, decomposition of amino acids

incapable of reducing nitrate, no decomposition of proteins

some capable of reducing nitrate, no decomposition of amino acids

Fenster schliessen

Coliforms 2

hygiene microbiological indicators of water, food and technological processes

indicator for fekal contamination

some pathogenic serotypes

no pathogenic serotypes

all serotypes are pathogenic

Fenster schliessen

Coliforms can perform formic acid fermentation → food defects:
 

early blowing of cheeses

milk-curdling

canned food defects

„bloody bread"

production of slime and coagulation of proteins

Fenster schliessen

E. coli is industrially used for the production of i________ (transgenic organisms that act as biofactories)
 

E. coli is industrially used for the production of insulin (transgenic organisms that act as biofactories)

Fenster schliessen

E. coli is used for the production of proteins in the fer________ industry as a model organism (______________________)

E. coli is used for the production of proteins in the fermentation industry as a model organism (understanding the mechanisms of many biological processes)

Fenster schliessen

Micrococcaceae 1

nonmotile, catalase (+), oxidative metabolism of sugars to water and CO2, oxidase(-), capable of reducing nitrate

motile, catalase (+), oxidative metabolism of sugars to water and CO2, oxidase(+), capable of reducing nitrate

nonmotile, catalase (-), oxidative metabolism of sugars to water and CO2, oxidase(+), not capable of reducing nitrate

nonmotile, catalase (+), oxidative metabolism of sugars to water and CO2, oxidase(+), capable of reducing nitrate

nonmotile, catalase (+), oxidative metabolism of sugars to water and CO2, oxidase(+), not capable of reducing nitrate