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Video: Yuav ua li cas koj suav cov kab mob loj hlob hauv Petri tais?
![Video: Yuav ua li cas koj suav cov kab mob loj hlob hauv Petri tais? Video: Yuav ua li cas koj suav cov kab mob loj hlob hauv Petri tais?](https://i.ytimg.com/vi/dGliBMNpqgw/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Siv tus qauv: [Number of colonies suav ] × 10 × [pes tsawg zaus cov qauv yuav tsum tau muab sib tw ua ke mus rau qhov qub mloog: piv txwv, 105] =Number of colony forming units (CFU) per milliliter of pib kab lis kev cai . Qhov no yog qhov kab mob loj hlob hauv koj petri tais diav.
Raws li, koj ntsuas ntsuas kab mob loj hlob hauv Petri tais li cas?
Txoj kev yooj yim tshaj rau ntsuas cov kab mob loj hlob yog muab koj cov qauv tso rau ntawm lub iav ntshiab hauv qab lub tshuab tsom iav thiab suav pes tsawg kab mob muaj cov cell. Xwb, koj tuaj yeem ntsuas turbidity, uas yog tus nqi ntawm kab mob hauv koj tus qauv.
Tom qab ntawd, lo lus nug yog, nws yuav siv sijhawm ntev npaum li cas rau cov kab mob loj hlob hauv lub tais petri? 4-6 hnub
Ib yam li ntawd, koj suav cov kab mob loj hlob li cas?
Cov qauv hauv qab yog cov kab lis kev cai sib xyaw. Muaj ntau txoj hauv kev los suav cov lej kab mob hauv asample. Ib lub cell uas siv tau suav tso cai rau ib tug los txheeb xyuas cov naj npawb ntawm cov nquag loj hlob / faib cov hlwb hauv ib qho qauv. Lub phaj suav txoj kev los yog kis phaj tso siab rau kab mob loj hlob ib tug colony ntawm ib tug nutrient nruab nrab.
Koj yuav txheeb xyuas cov kab mob kab mob li cas?
Kab mob . Txhua qhov sib txawv thaj chaw yuav tsum sawv cev rau tus kheej kab mob cell lossis pab pawg uas tau faib ntau zaus. Muab khaws cia rau hauv ib qho chaw, cov txiaj ntsig tau sau los ua ib thaj chaw pom. Feem ntau bacterialcolonies tshwm dawb, qab zib, lossis xim daj, thiab zoo ib yam nyob ib puag ncig
Pom zoo:
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Txhua tus kab mob yuav tsum muaj kab mob parasites vim tias lawv tsis muaj cov txheej txheem metabolic ntawm lawv tus kheej los tsim lub zog lossis los ua ke cov protein, yog li lawv vam khom rau cov tswv tsev cell kom ua tiav cov haujlwm tseem ceeb no
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Petri tais (phaj) nrog "khoom" kab lis kev cai kev coj noj coj ua tau khaws cia rau hauv qhov chaw ntxeev (upside down) thaum tsim kom cov xau hws yuav tsis poob rau ntawm agar nto (xws li cov tee dej yog cov peev txheej muaj peev xwm kis tau)
Cov tshuaj hormones twg cuam tshuam rau pob txha loj hlob thiab kev loj hlob xaiv txhua yam uas siv?
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Hormones That Influence Osteoclasts Hormones That Affect the Skeletal System (Table 6.6) Hormone Role Growth hormone Ua kom ntev ntawm cov pob txha ntev, txhim kho kev ntxhia, thiab txhim kho cov pob txha ceev Thyroxine txhawb kev loj hlob ntawm cov pob txha thiab txhawb kev sib txuas ntawm cov pob txha matrix
Dab tsi yog cov kab mob thiab cov kab mob uas cuam tshuam rau cov kab mob integumentary?
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Cov pob txuv cuam tshuam nrog qhov txhaws ntawm qhov pores, uas tuaj yeem ua rau muaj kab mob thiab mob, thiab feem ntau pom hauv cov tub ntxhais hluas. Lwm yam kab mob, tsis tau tham txog ntawm no, suav nrog seborrheic dermatitis (ntawm tawv taub hau), psoriasis, mob khaub thuas, impetigo, kab mob khaus, khaus khaus, thiab pob tw
Cov ko taw twg tau raug tshuaj xyuas vim tias kab mob ua rau cov kab mob me me loj tuaj sab hauv?
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Lub raj dej los sis lub raj xa dej tau tuaj rau hauv kev tshuaj xyuas vim tias muaj kab mob ua rau cov kab mob me me tuaj yeem loj hlob sab hauv cov kav dej txawm hais tias muaj txheej txheem tua kab mob thiab yog li ntawd tau maj mam tso tseg hauv kev lag luam