Puas yog tib neeg lub hlwb Gram zoo lossis Gram tsis zoo?
Puas yog tib neeg lub hlwb Gram zoo lossis Gram tsis zoo?

Video: Puas yog tib neeg lub hlwb Gram zoo lossis Gram tsis zoo?

Video: Puas yog tib neeg lub hlwb Gram zoo lossis Gram tsis zoo?
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Tib neeg hlwb tsis muaj cell phab ntsa lossis Peptidoglycan (PDG). Cov hlwb tuaj yeem coj xim stain . Ib qho ntawm koj cov neeg koom tes hauv chav kuaj tau ua raws li cov txheej txheem kev khiav haujlwm tau pom zoo Gram - zoo thiab Gram - tsis zoo tswj cov kab mob ntawm nws Gram stain ntawm ib hom tsis paub.

Khaws qhov no hauv kev txiav txim siab, puas yog tib neeg lub hlwb Gram zoo lossis tsis zoo?

Tib neeg hlwb tsis muaj cell phab ntsa lossis Peptidoglycan (PDG). Cov hlwb tuaj yeem coj xim stain . Ib qho ntawm koj cov neeg koom tes hauv chav kuaj tau ua raws li cov txheej txheem kev khiav haujlwm tau pom zoo Gram - zoo thiab Gram - tsis zoo tswj cov kab mob ntawm nws Gram stain ntawm ib hom tsis paub.

Qhov thib ob, yog Bacillus gram zoo lossis tsis zoo? Bacillus yog hom rod -zoo li tus, endospore-forming aerobic los yog facultatively anaerobic, Gram-zoo kab mob; Hauv qee hom kab lis kev cai tuaj yeem hloov Gram-tsis zoo nrog lub hnub nyoog.

Tsuas yog li ntawd, qhov txawv ntawm kab mob gram zoo thiab tsis zoo yog dab tsi?

Cov kab mob Gram zoo muaj cov phab ntsa ntawm tes tsim los ntawm cov txheej tuab ntawm peptidoglycan. Gram negative bacteria muaj cov phab ntsa ntawm tes nrog ib txheej nyias ntawm peptidoglycan. Cov phab ntsa ntawm tes kuj tseem muaj cov txheej txheem sab nrauv nrog lipopolysaccharide (LPS) molecules txuas.

Ua li cas koj thiaj paub tias nws Gram zoo lossis tsis zoo?

Ua ntej, siv lead ua violet ntxiv. Tom qab ntawd nws yog stained nrog iodine, thiab thaum kawg nrog safranin. Tom qab ntawd nws dhau los ntawm kev ntxuav dej cawv. Cov kab mob uas khaws cov ntshav liab stain los ntawm crystal violet yog grams - zoo , thiab cov uas noj cov liab stain los ntawm safranin yog grams - tsis zoo ."

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