Video: Dab tsi xim ntawm tib neeg lub hlwb Gram stain?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thawj stain, tag nrho cov kab mob yog stained ntshav. Counter stain. Qhov no stains decolorized kab mob liab. Tib neeg cov hlwb tuaj yeem stained nrog siv lead ua violet thiab safranin, yog li vim li cas tib neeg lub hlwb tsis tuaj yeem ua gram stained?
Ib yam li ntawd, tib neeg nug, tib neeg lub hlwb puas 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.
Ib yam li ntawd, puas hlwb eukaryotic stain gram zoo lossis tsis zoo? Eukaryotic kab mob stain gram - tsis zoo . Txawm li cas los xij, feem ntau eukaryotic hlwb tshwj tsis yog cov fungi (nrog rau cov poov xab) tsis lo rau lub swb thaum ua haujlwm.
Dhau li ntawm no, Gram stain qhia koj li cas?
A Gram stain yog ib txoj kev kuaj mob uas siv los kuaj pom muaj cov kab mob thiab qee zaum cov kab mob fungi hauv cov qauv coj los ntawm qhov chaw uas xav tias muaj kab mob. Nws muab cov txiaj ntsig sai sai seb puas muaj cov kab mob lossis cov fungi thiab, yog tias muaj, hom dav dav.
Dab tsi yog kauj ruam tseem ceeb tshaj plaws hauv Gram staining?
Lub thickness ntawm smear siv nyob rau hauv lub Gram stain yuav cuam tshuam qhov tshwm sim ntawm stain . Cov kauj ruam uas yog tseem ceeb tshaj plaws hauv kev cuam tshuam qhov tshwm sim ntawm cov stain yog decolorizing kauj ruam.
Pom zoo:
Lub luag haujlwm ntawm RNA hauv tib neeg lub cev yog dab tsi?
Muaj ob lub luag haujlwm tseem ceeb ntawm RNA. Nws pab DNA los ntawm kev ua tus xa xov los xa cov ntaub ntawv caj ces kom suav tsis txheeb ntawm ribosomes hauv koj lub cev. Lwm lub luag haujlwm tseem ceeb ntawm RNA yog xaiv cov amino acid kom raug los ntawm txhua lub ribosome los tsim cov proteins tshiab rau koj lub cev
Cov xim dab tsi yog cov hlwb feem ntau ua ntej siv thawj cov xim rau cov txheej txheem Gram stain?
Ua ntej, siv lead ua violet, thawj stain, yog siv rau lub tshav kub-tso smear, muab tag nrho cov hlwb xim liab
Yuav ua li cas lub abundance ntawm lub ntiaj teb no piv nrog cov abundance ntawm lub ntsiab nyob rau hauv tib neeg?
Oxygen yog cov khoom muaj ntau tshaj plaws hauv ntiaj teb thiab hauv tib neeg. Kev nplua nuj ntawm cov ntsiab lus uas tsim cov organic tebchaw nce hauv tib neeg thaum qhov kev nplua nuj ntawm metalloids nce hauv ntiaj teb. Cov ntsiab lus uas muaj ntau hauv ntiaj teb yog qhov tseem ceeb los txhawb txoj sia
Dab tsi 4 lub ntsiab ua 96 ntawm tib neeg lub cev?
Kwv yees li ntawm 96 feem pua ntawm cov tib neeg lub cev yog tsim los ntawm tsuas yog plaub lub ntsiab lus: oxygen, carbon, hydrogen thiab nitrogen, nrog rau ntau yam ntawm cov dej. Qhov seem 4 feem pua yog ib qho piv txwv me me ntawm daim ntawv teev cov ntsiab lus
Puas yog tib neeg lub hlwb Gram zoo lossis Gram tsis zoo?
Tib neeg lub hlwb tsis muaj cov phab ntsa ntawm tes lossis Peptidoglycan (PDG). Cov hlwb tuaj yeem coj cov xim stain. Ib qho ntawm koj cov neeg koom tes hauv chav kuaj tau ua raws li cov txheej txheem pom zoo ntawm kev khiav Gram-positive thiab Gram-negative tswj kab mob ntawm nws Gram stain ntawm ib hom tsis paub