Video: Kev kuaj cev xeeb tub ua haujlwm li cas biology?
2024 Tus sau: Edward Hancock | [email protected]. Kawg hloov kho: 2023-12-16 01:32
Kev xeeb tub kuaj ua haujlwm los ntawm kev kuaj pom muaj cov tshuaj hormones, tib neeg chorionic gonadotropin (hCG). hCG yog cov tshuaj hormones tsim los ntawm cov hlwb hauv cov placenta. Nws cov khoom pib los ntawm qhov chaw uas cov embryo txuas mus rau lub tsev menyuam, 6-12 hnub tom qab xeeb tub.
Ib yam li ib tug yuav nug, kev kuaj cev xeeb tub ua haujlwm li cas rau qib biology?
Cov kuaj cev xeeb tub stick yog dipped rau hauv cov zis. Cov zis uas muaj tib neeg chorionic gonadotrophin (hCG) molecules txav mus rau kuaj cev xeeb tub strip los ntawm kev ua haujlwm capillary. Nyob ntawm xeem strip, hCG-antibody complexes khi rau cov tshuaj tiv thaiv immobile raws li muaj cov chaw khi kuj tseem tshwj xeeb rau hCG molecules.
Tsis tas li ntawd, kev kuaj cev xeeb tub ua haujlwm li cas? Kev xeeb tub kuaj ua haujlwm los ntawm kev kuaj koj cov zis (pee) rau ib qho tshuaj hu ua human chorionic gonadotropin (HCG). Koj lub cev tsuas yog tsim cov tshuaj hormone no yog tias koj cev xeeb tub. Yog tias lawv tsis zoo, nws txhais tau tias koj tsis xeeb tub. Kev xeeb tub kev ntsuam xyuas yog qhov tseeb tshaj plaws thaum koj coj lawv tom qab koj twb tsis tau koj lub sijhawm.
Ib yam li ntawd, koj tuaj yeem nug, kev kuaj cev xeeb tub ua haujlwm li cas GCSE biology?
Kev kuaj cev xeeb tub Cov khoom siv Monoclonal antibodies txuas rau qhov kawg ntawm a kuaj cev xeeb tub lo rau qhov uas tus poj niam tso zis. Yog nws yog cev xeeb tub , HCG yuav muaj nyob rau hauv nws cov zis thiab yuav khi rau cov tshuaj tiv thaiv monoclonal ntawm lub cev. xeem stick. Qhov no yuav ua rau muaj kev hloov xim lossis qauv uas yuav qhia tau cev xeeb tub.
Puas muaj ib ntsiav tshuaj hauv kev kuaj cev xeeb tub?
Txawm li cas los cev xeeb tub cov kev ntsuam xyuas muaj tseeb heev, muaj tseem chav rau qhov yuam kev. Qee qhov teeb meem tuaj yeem cuam tshuam koj cov txiaj ntsig, tab sis koj qhov kev tswj hwm kev yug me nyuam ntsiav tshuaj tsis yog ib tug ntawm lawv. Cov cov tshuaj hormones hauv koj txoj kev yug menyuam ntsiav tshuaj txhob cuam tshuam a xeem muaj peev xwm txheeb xyuas hCG.
Pom zoo:
Thaum lub sij hawm twg ntawm kev loj hlob ntawm cev xeeb tub ua rau lub cev thiab cov khoom nruab nrog cev pib ua haujlwm?
Thaum lub sij hawm embryonic theem, lub plawv pib ntaus thiab lub cev tsim thiab pib ua haujlwm. Lub neural tube tsim raws sab nraub qaum ntawm lub embryo, tsim rau hauv qaum qaum thiab lub hlwb
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