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Video: Yam tshuaj twg kis tau los ntawm daim nyias nyias yooj yim dua?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Yog li ntawd, tus nqi ntawm uas tshuaj diffuse los ntawm daim nyias nyias ncaj qha cuam tshuam rau lawv cov txheeb ze qib ntawm lipid solubility. Yog li, lipid soluble agents feem ntau kis tau yooj yim los ntawm daim nyias nyias , thiab ntau dej-soluble tshuaj ua li ntawd ntau maj mam, yog tias tag nrho.
Ib yam li ntawd, cov tshuaj yuav kis tau los ntawm cov cell membrane li cas?
Qhov feem ntau txoj kev rau tshuaj hla tus cell membrane yog Passive Diffusion. Tshuaj molecules yuav diffuse down nws concentration gradient yam tsis tau siv lub zog los ntawm lub ntawm tes . Tus nqi ntawm diffusion kuj tau yuav txhawb nqa los ntawm kev thauj cov proteins hauv lub daim nyias nyias los ntawm Kev Pabcuam Sib Txawv.
Ib tug kuj yuav nug, dab tsi yog qhov tseem ceeb tshaj plaws uas cuam tshuam rau tus nqi ntawm kev nqus ntawm cov tshuaj? Solubility thiab permeability yog suav tias yog cov loj physicochemical yam uas cuam tshuam tus nqi thiab qhov ntawm qhov ncauj kev nqus tshuaj , ntxiv rau lwm yam physicochemical zog ib txwm qhia lawv cov teebmeem rau kev nqus tshuaj ntawm cuam tshuam solubility thiab permeability.
Tsis tas li ntawd paub, hom tshuaj twg yog lipid soluble thiab yooj yim diffuse hla lub cell membrane?
Cov molecules me me yuav nkag mus daim nyias nyias nrawm tshaj qhov loj. Feem ntau tshuaj yog cov organic acids tsis muaj zog lossis cov hauv paus, uas twb muaj lawm hauv cov ntawv tsis-ionized thiab ionized hauv ib puag ncig cov dej. Daim ntawv tsis-ionized feem ntau lipid soluble (lipophilic) thiab nthuav tawm yooj yim hla cell membranes.
Dab tsi txiav txim siab kev nqus tshuaj?
Kev nqus yog tus txheej txheem ntawm a tshuaj txav los ntawm nws qhov chaw xa mus rau hauv cov hlab ntsha. Cov tshuaj lom neeg muaj pes tsawg leeg ntawm a tshuaj , nrog rau ib puag ncig uas a tshuaj muab tso rau, ua hauj lwm ua ke rau txiav txim tus nqi thiab qhov twg kev nqus tshuaj.
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