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Video: Cov kab mob muaj sia nyob li cas thaum tsis muaj oxygen?
![Video: Cov kab mob muaj sia nyob li cas thaum tsis muaj oxygen? Video: Cov kab mob muaj sia nyob li cas thaum tsis muaj oxygen?](https://i.ytimg.com/vi/-7LihUfYMlY/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov pa Kev lom
Obligate anaerobes, uas tsuas yog nyob hauv tsis muaj oxygen , ua tsis muaj kev tiv thaiv uas ua aerobic lub neej ua tau thiab yog li tsis tuaj yeem ua ciaj sia hauv huab cua. Singlet zoo siab heev cov pa molecule yog reactive heev. Yog li ntawd, superoxide yuav tsum tau muab tshem tawm kom cov cell mus ciaj sia nyob rau hauv lub xub ntiag ntawm cov pa.
Kuj paub, yuav ua li cas qee cov kab mob loj tuaj thaum tsis muaj oxygen?
Kab mob uas xav tau oxygen kom loj hlob hu ua obligate aerobic kab mob . Facultative anaerobes ua tau hloov lawv cov txheej txheem metabolic nyob ntawm qhov muaj cov pa , siv cov txheej txheem ua pa kom zoo dua qub thaum muaj cov pa thiab cov txheej txheem tsis tshua muaj txiaj ntsig ntawm fermentation hauv tsis muaj oxygen.
Ib tug kuj yuav nug, cov kab mob tuaj yeem nyob ntev npaum li cas yam tsis muaj oxygen? Anaerobic txhais tau tias " tsis muaj oxygen ". Tej zaum koj yuav tau kwv yees qhov kev ua pa uas xav tau cov pa yog lub npe hu ua aerobic respiration. Tsuas yog kab mob , xws li cov poov xab thiab kab mob , tau nyob rau ntev sij hawm tsis muaj oxygen.
Tom qab ntawd, lo lus nug yog, cov kab mob anaerobic puas muaj sia nyob hauv cov pa?
Ib txhia kab mob anaerobic raug tua nyob rau hauv lub xub ntiag ntawm cov pa . Qhov no yog vim cov pa Nws yog heev reactive thiab yuav tsum tau neutralized los ntawm lub cell kom nws mus ciaj sia . Cov hom no kab mob tsis muaj cov enzymes rau detoxify cov pa radicals. Lawv raug hu ua lav ris cov anaerobes.
Yuav ua li cas lwm cov kab mob tuaj yeem nyob tsis muaj oxygen?
Lub zog metabolism Ib co obligate anaerobes siv fermentation, thaum lwm tus siv anaerobic respiration. Aerotolerant kab mob yog nruj me ntsis fermentative. Nyob ntawm xub ntiag ntawm cov pa , facultative anaerobes siv aerobic ua pa; tsis muaj oxygen , ib txhia ntawm lawv ferment; qee leej siv kev ua pa tsis muaj zog.
Pom zoo:
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