Gram + ve thiab Gram yog dab tsi?

2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36

Gram zoo Cov kab mob muaj txheej txheej peptidoglycan tuab thiab tsis muaj txheej lipid membrane thaum lub sijhawm Gram tsis zoo Cov kab mob muaj txheej nyias nyias peptidoglycan thiab muaj cov lipid membrane sab nraud.

Hauv qhov no, cov kab mob gram negative thiab gram zoo yog dab tsi?

Gram - zoo vs. Gram - Cov kab mob tsis zoo . Hauv nws qhov kev xeem, kab mob uas khaws cov crystal violet dye ua li ntawd vim yog ib txheej tuab ntawm peptidoglycan thiab hu ua Gram - cov kab mob zoo . Piv txwv li, Gram - kab mob tsis zoo tsis txhob khaws cov xim violet thiab xim liab lossis liab dawb.

Tsis tas li ntawd, vim li cas Gram positive thiab Gram negative tseem ceeb? Gram - zoo cov kab mob, cov hom nrog peptidoglycan txheej txheej, yog yooj yim tua - lawv tuab peptidoglycan txheej absorbs tshuaj tua kab mob thiab ntxuav cov khoom yooj yim. Vim li ntawd, Gram - tsis zoo Cov kab mob tsis raug puas tsuaj los ntawm qee cov tshuaj ntxuav tes uas yooj yim tua Gram - zoo kab mob.

Tsis tas li ntawd, nws txhais li cas los ua Gram zoo?

Kho mob Txhais ntawm Gram - zoo Gram - zoo : Gram - zoo cov kab mob khaws cov xim ntawm crystal violet stain nyob rau hauv lub Gram stain. Qhov no yog Cov yam ntxwv ntawm cov kab mob uas muaj cov phab ntsa ntawm tes tsim los ntawm cov txheej tuab ntawm cov khoom tshwj xeeb (hu ua peptidologlycan).

Puas yog Spirillum Gram zoo lossis tsis zoo?

Spirillum yog microbiologically tus yam ntxwv raws li ib tug grams - tsis zoo , motile helical cell nrog tufts ntawm whiplike flagella ntawm txhua qhov kawg.