Nigrosin yog ib qho acidic stain. Qhov no txhais tau hais tias cov stain yooj yim muab cov hydrogen ion thiab ua rau tsis zoo. Txij li qhov saum npoo ntawm cov kab mob feem ntau raug them tsis zoo, lub cell nto repels cov stain.
Vim li cas cov kab mob thiaj li tshem tawm cov xim nigrosin quizlet?
Nigrosin yog siv vim kom raug nqi tsis zoo thiab nws tua cov kab mob. Qhov kev tawm tsam ntawm lub xovtooj ntawm tes mus rau cov zas xim kom tiv thaiv cov dye nkag mus rau hauv lub cell.
Vim li cas cov kab mob tseem nyob tsis muaj qhov tsis zoo?
Vim li cas cov kab mob tseem nyob tsis zoo nyob rau hauv cov txheej txheem staining tsis zoo? Cov kab mob tsis zoo yuav tsis nkag mus thiab stain cov kab mob ntawm phab ntsa vim lawv muaj cov nqi tsis zoo thiab yog li ntawd raug tshem tawm los ntawm cov kab mob tsis zoo … Thaum tshav kub kub kho cov hlwb shrinks!
Puas nigrosin nkag mus rau cov kab mob?
Vim li cas tsis nigrosin nkag mus rau cov kab mob hlwb? Cov nigrosin raug nqi tsis zoo, ib yam li cov cell membrane ntawm cov kab mob, uas txhais tau hais tias muaj kev tawm tsam ntawm ob, nws tsis tuaj yeem nkag mus.
Vim li cas cov kab mob feem ntau siv cov xim yooj yim?
Simple Stain
Cov stains yooj yim, xws li methylene xiav, Gram safranin, lossis Gram crystal violet yog qhov muaj txiaj ntsig zoo rau cov kab mob feem ntau. Cov stains no yuav npaj muab ib qho hydroxide ion lossis txais cov hydrogen ion, uas tawm cov stain zoo.
