![Hom nruab nrab twg yog siv los qhia cov pa oxygen xav tau ntawm cov kab mob? Hom nruab nrab twg yog siv los qhia cov pa oxygen xav tau ntawm cov kab mob?](https://i.answers-medical.com/preview/medical-health/13904649-what-type-of-medium-is-used-to-demonstrate-oxygen-requirements-of-microbes-j.webp)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Thioglycolate kua zaub
Ua qhov no hauv kev txiav txim siab, cov kab mob microbes tau faib ua lub hauv paus ntawm cov pa xav tau li cas?
Cov kab mob me me ua tau cais raws li lawv xav tau cov pa oxygen tsim nyog rau kev loj hlob thiab kev muaj sia nyob: Obligate Aerobes: cov pa yuav tsum tau Facultative: loj hlob thaum muaj lossis tsis muaj cov pa . Microaerophilic: loj hlob zoo tshaj ntawm qib qis heev cov pa.
Ib yam nkaus, puas tuaj yeem tsim kab mob anaerobes hauv ib puag ncig co2? Anaerobes tuaj yeem ua tau ua tau cog qoob loo hauv ib puag ncig CO2 . Feem ntau ntawm cov kab mob me me nyob thiab loj hlob nyob hauv thaj tsam ntawm pH 7 thiab 9. Cov kab mob Planktonic muaj cov tshuaj tiv thaiv kab mob ntau dua li piv rau cov kab mob biofilm.
Ib yam li ntawd, koj yuav nug, qhov kev ntsuas catalase qhia dab tsi txog kev xav tau cov pa oxygen ntawm cov tsiaj?
nws xav tau oxygen . Catalase yuav hloov nws mus rau hauv dej thiab cov pa . Cov oxidase xeem yog qhov muaj txiaj ntsig zoo hauv kev txiav txim siab tus kheej ntawm gram tsis zoo coccus cytochrome C.
Puas Aerotolerant anaerobes muaj catalase?
Aerotolerant anaerobes siv fermentation los tsim ATP. Lawv ua tsis siv oxygen, tab sis lawv tau tiv thaiv lawv tus kheej los ntawm reactive oxygen molecules. Hauv qhov sib txawv, lav anaerobes tau raug mob los ntawm reactive oxygen molecules. Aerotolerant anaerobes muaj superoxide dismutase thiab peroxidase tab sis tsis txhob muaj catalase.
Pom zoo:
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