![Dab tsi yog qhov txawv ntawm upregulation thiab downregulation? Dab tsi yog qhov txawv ntawm upregulation thiab downregulation?](https://i.answers-medical.com/preview/medical-health/13890885-what-is-difference-between-upregulation-and-downregulation-j.webp)
Video: Dab tsi yog qhov txawv ntawm upregulation thiab downregulation?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Kev txo qis yog txheej txheem uas cov cell txo qis kom muaj nuj nqis ntawm ib feem ntawm tes, xws li RNA lossis protein, hauv kev teb rau qhov txawv txav sab nraud. Qhov nce ntawm hu ua tivthaiv cellular kev cai lij choj.
Los ntawm qhov ntawd, kev hloov kho tshiab txhais tau li cas?
Kev kho mob Txhais ntawm kev cai lij choj : txheej txheem ntawm kev nce cov lus teb rau qhov kev txhawb nqa tshwj xeeb: nce hauv cov lus teb ntawm cov cell rau kev txhawb nqa molecular vim nce tus naj npawb ntawm cov neeg txais khoom ntawm lub ntsej muag ntawm tes.
Kuj Paub, dab tsi tshwm sim hauv txoj cai? Kev txo qis : Kev txo tus naj npawb ntawm cov neeg txais khoom ntawm qhov chaw ntawm cov hlwb, ua rau cov cell tsis nkag siab rau cov tshuaj hormone lossis lwm tus neeg sawv cev. Piv txwv li, cov tshuaj insulin tuaj yeem txo qis hauv hom 2 mob ntshav qab zib.
Hauv qhov no, dab tsi ua rau kev hloov kho tshiab?
Kev cai lij choj : Kev nce tus naj npawb ntawm cov neeg txais khoom ntawm qhov chaw ntawm cov hlwb, ua rau cov cell nkag siab rau cov tshuaj hormone lossis lwm tus neeg sawv cev. Piv txwv li, muaj qhov nce ntawm cov menyuam hauv plab oxytocin receptors hauv peb lub hlis thib peb ntawm cev xeeb tub, txhawb kev nqes ntawm cov leeg nqaij ntawm lub tsev menyuam.
Kev txo qis ntawm cov neeg txais khoom txhais li cas?
Kev kho mob Txhais ntawm downregulation : txheej txheem ntawm kev txo lossis txo qis cov lus teb rau qhov kev txhawb nqa tshwj xeeb: txo qis hauv cov lus teb ntawm cov cell rau cov tshuaj (raws li insulin) vim qhov txo qis hauv receptors ntawm lub xovtooj ntawm tes.
Pom zoo:
Dab tsi yog qhov sib txawv ntawm qhov kev cia siab rau qhov ntim thiab qhov ntim cia tseg?
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Qhov ntim cia tseg (ERV) yog cov pa ntxiv uas tuaj yeem nqus tau tom qab ua pa ib txwm. Nws yog qhov nyiaj khaws cia uas tuaj yeem nqus tau dhau qhov uas ib txwm muaj. Hloov pauv, qhov ua rau lub zog cia siab (IRV) yog qhov ntxiv ntawm huab cua uas tuaj yeem nqus tau tom qab nqus tau ib txwm
Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm cov khoom sib tsoo thiab qhov kov zoo?
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Dab tsi yog qhov sib txawv thiab qhov zoo sib xws ntawm 'crude' kov thiab 'nplua' kov qhov hnov? Nyuaj kov yog hais txog kev nkag siab los ntawm kev txhawb nqa ntawm cov neeg txais khoom ntawm qhov tsis nkag siab nrog cov teb loj. Hauv kev sib piv, kev kov zoo yog hais txog cov neeg txais khoom ntawm kev nkag siab siab nrog cov chaw txais me me
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Ob qho tib si du thiab ntxhib endoplasmic reticulum pab hauv kev tsim thiab khaws cov proteins Qhov sib txawv tseem ceeb yog tias ib qho muaj ribosomes rau nws thiab lwm yam tsis. Rough ER zoo li cov nplooj ntawv. RER sib sau ua (ua) thiab ntim cov protein. RER tau txuas nrog lub nuclear membrane
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Cov cheeb tsam sib txawv no, muaj li ntawm 110-130 amino acids, muab cov tshuaj tiv thaiv kab mob nws qhov tshwj xeeb rau kev khi antigen. Cov cheeb tsam sib txawv suav nrog qhov kawg ntawm lub teeb thiab cov saw hnyav. Lub cheeb tsam tas li txiav txim siab cov txheej txheem siv los rhuav tshem antigen
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Qhov pib tsis txaus yog qhov tsawg kawg ntawm kev txhawb siab xav tau rau ib tus neeg kom pom qhov kev txhawb siab 50 feem pua ntawm lub sijhawm. Qhov sib txawv ntawm qhov sib txawv yog qhov sib txawv me tshaj hauv kev txhawb nqa uas tuaj yeem kuaj pom 50 feem pua ntawm lub sijhawm