Video: Vim li cas cov kab mob Gram tsis zoo tshwm liab liab thaum cov kab mob Gram zoo pom ntshav liab?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Gram zoo hlwb stain ntshav vim lawv cov peptotidoglycan txheej yog tuab txaus, txhais tau tias tag nrho Cov kab mob Gram zoo yuav khaws tau lawv stain . Gram tsis zoo hlwb stain liab vim hais tias lawv muaj ib tug nyias peptidoglycan phab ntsa, thiab lawv yuav tsis khaws ib yam ntawm cov ntshav stain los ntawm crystal violet.
Tsis tas li ntawd, vim li cas cov kab mob Gram zoo stain ntshav thaum Gram tsis zoo liab?
Gram - cov kab mob zoo muaj cov phab ntsa tuab zoo li lub cell ua los ntawm peptidoglycan (50-90% ntawm lub hnab ntawv ntawm tes), thiab vim li ntawd, stained ntshav los ntawm crystal violet , hos Gram - kab mob tsis zoo muaj txheej nyias nyias (10% ntawm lub hnab ntawv cell), yog li ua tsis khaws cia ntshav stain thiab yog counter- stained liab los ntawm safranin.
Ib yam li ntawd, vim li cas cov kab mob Gram tsis zoo tshwm sim liab? A Gram zoo kab mob yuav tsum muab ib tug ntshav stain. Qhov no yog vim hais tias txheej tuab ntawm Peptidoglycan khaws cov ntshav siv lead ua violet stain. A Gram negative bacteria yuav tsum muab ib liab stain. Qhov no yog vim nws tsis khaws cov crystal violet vim tias cov txheej peptidoglycan nyob rau hauv periplasm.
Tsis tas li cov lus nug yog, vim li cas cov kab mob Gram zoo hloov ntshav?
Gram - cov kab mob zoo nyob twj ywm ntshav liab vim lawv muaj ib phab ntsa tuab tuab xwb yog tsis yooj yim nkag los ntawm cov kuab tshuaj; grams - tsis zoo kab mob , txawm li cas los xij, yog decolorized vim lawv muaj cov phab ntsa ntawm tes nrog ntau cov txheej nyias nyias uas tso cai tshem tawm cov xim los ntawm cov kuab tshuaj. Cov Gram stain reacts rau qhov sib txawv ntawm lub…
Dab tsi tuaj yeem ua rau cov kab mob Gram zoo tshwm sim gram tsis zoo?
Cov Txheej Txheem Thaum Gram Positive Bacteria tuaj yeem tshwm sim Gram Negative . Thaum dhau-decolourized los ntawm kev raug ncua ntev rau decolourizer lossis siv acetone ib leeg. Thaum cov phab ntsa ntawm tes raug puas tsuaj los ntawm kev raug lysozyme lossis cell phab ntsa ua cov tshuaj tua kab mob xws li Penicillin.
Pom zoo:
Vim li cas peb thiaj cia siab tias cov kab mob Gram tsis zoo yuav stain liab liab thaum lub sij hawm Gram staining txheej txheem?
Thaum cov kab mob gram zoo stain violet vim muaj cov txheej txheem peptidoglycan tuab nyob rau hauv cov phab ntsa ntawm lawv cov cell, cov kab mob gram tsis zoo stain liab, vim yog cov txheej peptidoglycan thinner hauv lawv cov phab ntsa ntawm tes (peptidoglycan txheej tuab dua tso cai rau cov kab mob gram zoo stains violet. tuav lub stain, tab sis ib txheej nyias
Cov kab mob thiab cov kab mob ua haujlwm zoo li cas?
Ob leeg cov kab mob thiab cov kab mob muaj cov phab ntsa ntawm tes (txawm hais tias sib txawv hauv cov qauv thiab muaj pes tsawg leeg) Feem ntau cov kab mob thiab cov kab mob tau txais lub zog los ntawm kev ua pa aerobic (ua pa hauv cov kab mob me ntsis txawv dua li hauv Eukaryotes tab sis cov pa oxygen ib txwm xav tau rau oxidise suab thaj, hauv dej kawg. thiab carbon dioxide yog tsim)
Vim li cas koj tig lub cim tsis sib xws thaum koj sib npaug lossis faib los ntawm qhov tsis zoo?
Thaum koj muab ob sab los ntawm tus nqi tsis zoo koj ua rau sab uas ntau dua muaj 'loj' tus lej tsis zoo, uas txhais tau tias tam sim no tsawg dua lwm sab! Qhov no yog vim li cas koj yuav tsum tig lub cim thaum twg koj muab los ntawm tus lej tsis zoo
Vim li cas tsis zoo thiab tsis zoo yog qhov zoo?
Thaum koj muab qhov tsis zoo los ntawm qhov tsis zoo koj tau txais qhov zoo, vim tias ob lub cim tsis zoo raug muab tso tseg
Vim li cas cov spores tshwm ntsuab thaum lub cev ntawm lub cev zoo li liab?
Vim li cas cov spores tshwm ntsuab thaum lub cev ntawm lub cev pom liab hauv qhov ua tiav Endospore stain? Cov spores zoo nkaus li ntsuab vim tias tshav kub yuam kom cov spores coj mus rau hauv cov xim dye, uas yooj yim yaug tawm yog tias lub cev ntawm tes