Video: Gram cov tshuaj tiv thaiv Mycobacterium yog dab tsi?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum Mycobacteria tsis txhob khaws cov crystal violet stain , lawv raug cais raws li acid-ceev Gram - cov kab mob zoo vim lawv tsis muaj cov kab mob sab nraud. Hauv 'kub' Ziehl-Neelsen txheej txheem, phenol-carbol fuchsin stain yog rhuab los pab kom cov dye mus rau hauv lub waxy mycobacterial cell phab ntsa.
Hais txog qhov no, puas yog Mycobacterium Gram zoo lossis tsis zoo?
M. tuberculosis xav tau oxygen kom loj hlob. Nws tsis khaws cov kab mob bacteriological stain vim cov ntsiab lus lipid siab hauv nws phab ntsa, thiab yog li tsis yog Gram - zoo tsis yog Gram - tsis zoo ; Li no Ziehl-Neelsen staining, los yog acid-ceev staining, yog siv.
Ib yam li ntawd, gram cov tshuaj tiv thaiv txhais li cas? Gram tshuaj tiv thaiv . oxford ua. views 2, 478, 221 updated Jan 04 2020. Gram tshuaj tiv thaiv A tshuaj tiv thaiv tau thaum cov kab mob raug, nyob rau hauv lub chaw kuaj mob, mus rau ib tug tej yam staining txheej txheem hu ua lub Gram stain los yog Gram daim tawv nqaij (tom qab Danish kws tshawb fawb Christian Gram (1853–1938) uas thawj zaug tsim cov txheej txheem hauv 1884).
Ib yam li ntawd, nws tau nug, qhov tshwm sim ntawm Gram stain ntawm Mycobacterium yog dab tsi?
acid-ceev kab mob, mycobacterium , twb tsis pom nyob rau hauv peb swb. Thiab, qhov no yog qhov zoo ib yam vim tias cov kab mob acid ceev muaj lub tsho loj ntawm lawv cov phab ntsa ntawm tes, tsis yog siv lead ua violet lossis counterstain (safranin) tuaj yeem nkag mus rau hauv cov khoom siv quav ciab.
Vim li cas mycobacteria tuaj yeem tsis muaj Gram stain?
Mycobacteria Lawv yog "Acid Fast" lawv ua tsis tau ua ua qias neeg los ntawm Gram stain vim lawv cov ntsiab lus lipid siab. 2. Acid ceev staining yog siv rau stain mycobacteria . Cov kab mob yog kho nrog cov xim liab (fuchsin) thiab steamed.
Pom zoo:
Vim li cas cov tshuaj tiv thaiv kev zom zaub mov hu ua hydrolysis cov tshuaj tiv thaiv?
Thaum lub sij hawm zom mov, piv txwv li, decompositionreactions zom cov zaub mov loj rau hauv cov me me los ntawm kev ntxiv cov dej molecules. Hom tshuaj no hu ua hydrolysis. Raws li dej absorbs heatenergy, qee lub zog yog siv los rhuav tshem hydrogenbonds
Lub npe rau ib yam khoom tsim nyob rau hauv cov tshuaj tiv thaiv tshuaj yog dab tsi?
Cov tshuaj tiv thaiv tshuaj yog cov txheej txheem uas cov atoms tam sim no nyob rau hauv cov tshuaj pib rov ua kom muab cov tshuaj sib xyaw tshiab tam sim no hauv cov tshuaj tsim los ntawm cov tshuaj tiv thaiv. Cov tshuaj pib ntawm cov tshuaj tiv thaiv tshuaj hu ua reactants, thiab cov tshuaj tshiab uas tshwm sim hu ua cov khoom
Yam dab tsi tuaj yeem hloov pauv yog tias koj xav nce tus nqi ntawm cov tshuaj tiv thaiv tshuaj?
Cov yam ntxwv uas cuam tshuam rau cov tshuaj tiv thaiv yog: thaj tsam ntawm cov khoom reactant. concentration los yog siab ntawm ib tug reactant. kub. xwm ntawm cov reactants. muaj/tsis muaj catalyst
Cov tshuaj tiv thaiv dab tsi yog qhov tshuaj tiv thaiv neutralization?
Neutralization yog ib hom tshuaj tiv thaiv nyob rau hauv uas muaj zog acid thiab muaj zog puag react nrog ib leeg los tsim dej thiab ntsev
Dab tsi yog tshuaj lom neeg cov tshuaj tiv thaiv thiab cov tshuaj tiv thaiv lub cev?
Qhov sib txawv ntawm cov tshuaj tiv thaiv lub cev thiab cov tshuaj tiv thaiv tshuaj yog muaj pes tsawg leeg. Hauv cov tshuaj tiv thaiv tshuaj, muaj kev hloov pauv ntawm cov tshuaj hauv nqe lus nug; nyob rau hauv ib qho kev hloov ntawm lub cev muaj qhov sib txawv ntawm qhov tsos, tsis hnov tsw, los yog cov duab yooj yim ntawm cov qauv ntawm cov teeb meem yam tsis muaj kev hloov pauv hauv cov ntsiab lus