Video: Yuav ua li cas siv ib tug repeater pipette?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
VIDEO
Nyob rau hauv no txoj kev, dab tsi yog ib tug repeater pipette?
Repeater Pipette / Pipette Repeater . Repeater pipettes / pipette repeaters tso cai rau cov neeg siv los faib cov kua ntim cov kua hauv ib qho tsis tas yuav tsum tau nqus dej hauv nruab nrab ntawm txhua kauj ruam.
Ib yam li ntawd, qhov tsis siv neeg pipette ua haujlwm li cas? Ib automated pipeting tshuab lub kaw lus tau txais ib lub ntim ntawm cov kua los ntawm ib qhov chaw los ntawm kev tsim suction, los yog aspirating, thiab dispensing cov kua nyob rau hauv lo lus uas peb thawv. Qhov no yog tiav los ntawm cov pipeting kev taub hau ntsia rau ntawm qhov system.
Kuj paub, Eppendorf pipette yog dab tsi?
Eppendorf cov kav dej yog ib qho chaw kuaj mob uas siv los ntsuas thiab thauj cov kua. Vim yog tus nqi ntawm cov cuab yeej siv tau zoo no, koj yuav tsum tau saib xyuas kom khaws lawv tus mob.
Micro pipette yog dab tsi?
A micropipette feem ntau yog siv nyob rau hauv lub tshuab tsom rau microinject kua ncaj qha mus rau hauv lub cell. dab tsi neeg feem ntau hu ua a micropipette feem ntau yog me me pib uas yog ua los ntawm iav thiab muaj ib tug microscopic taub hau. Lub taub hau apertures tuaj yeem nqaim li 0.1 µm.
Pom zoo:
Yuav ua li cas yog ib tug piv txwv ntawm ib tug electron cab kuj?
Raws li cov electrons raug xa mus los ntawm ib lub tshuab nqa hluav taws xob mus rau lwm qhov, lawv lub zog theem qis, thiab lub zog tawm. Cytochromes thiab quinones (xws li coenzyme Q) yog qee qhov piv txwv ntawm cov khoom siv hluav taws xob
Yuav ua li cas yog qhov tshwm sim uas ib tug poj niam dig muag xim uas yuav ib tug txiv neej uas tsis pom kev zoo yuav muaj xim dig muag me nyuam?
Yog tias tus poj niam uas muaj lub zeem muag zoo li no (heterozygous rau qhov muag tsis pom xim) yuav ib tug txiv neej ib txwm muaj (XY), cov xeeb ceem hauv qab no tuaj yeem xav tau hauv F2 tiam: ntawm cov ntxhais, 50% yog ib txwm muaj thiab 50% yog cov neeg nqa khoom rau cov kab mob; ntawm cov tub, 50% yog xim dig muag thiab 50% yog qhov pom kev zoo
Yuav ua li cas yog ib tug piv txwv ntawm ib tug rational naj npawb uas tsis yog ib tug tag nrho?
Tus lej "rational" yog qhov piv ntawm ob tus lej. Piv txwv li, cov hauv qab no yog cov lej rational, thiab tsis muaj leej twg yog tus lej: 1 / 2. 2 / 3
Yuav ua li cas tshwm sim rau ib tug ionic siv lead ua thaum lub zog siv?
Txawm hais tias ionic crystals tau tuav ua ke los ntawm electrostatic zog, cov ions tau sib cais thaum cov khoom yaj. Ions muaj zog txaus nyiam rau qhov kawg ntawm cov polar molecules uas muaj nqi rov qab rau cov ions
Yuav ua li cas ib tug geologist yuav qhia tau hais tias ib tug quav yog ib tug syncline thiab anti-line?
Geologic Structures (Part 5) Anticlines yog folds nyob rau hauv uas txhua ib nrab ntawm cov quav dips deb ntawm lub crest. Synclines yog folds nyob rau hauv uas txhua ib nrab ntawm cov quav dips mus rau lub trough ntawm lub quav. Koj tuaj yeem nco qab qhov sib txawv los ntawm kev ceeb toom tias anticlines tsim "A" zoo, thiab synclines tsim hauv qab ntawm "S."