Video: Yuav ua li cas yog lub hom phiaj ntawm carrier proteins nyob rau hauv daim nyias nyias?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Muaj nuj nqi . Cov carrier proteins yooj yim diffusion ntawm molecules hla lub cell daim nyias nyias . Cov protein ntau yog imbedded nyob rau hauv lub cell daim nyias nyias thiab npog tag nrho daim nyias nyias . Qhov no yog qhov tseem ceeb vim qhov tus cab kuj yuav tsum thauj cov molecule nyob rau hauv thiab tawm ntawm lub cell.
Ib yam li ntawd ib tug yuav nug, lub hom phiaj ntawm channel proteins nyob rau hauv daim nyias nyias yog dab tsi?
Channel cov protein yooj yim rau thauj ntawm cov khoom hla ib lub cell daim nyias nyias . Lawv ua qhov no los ntawm cov txheej txheem ntawm kev yooj yim diffusion lossis nquag thauj nyob ntawm qhov concentration gradient, los yog qhov sib txawv ntawm cov concentration ntawm cov khoom nyob rau hauv thiab sab nraum lub cell daim nyias nyias.
Ib yam li ntawd, lub luag haujlwm ntawm cov cab kuj yog dab tsi hauv kev thauj mus los? Active thauj carrier proteins xav tau lub zog txav cov tshuaj tiv thaiv lawv cov concentration gradient. Ntau active thauj carrier proteins , xws li sodium-potassium twj tso kua mis, siv lub zog khaws cia hauv ATP los hloov lawv cov duab thiab txav cov khoom hla lawv txoj kev thauj mus los.
Ib yam li ntawd, tib neeg nug, dab tsi yog lub hom phiaj ntawm cov cab kuj protein nyob rau hauv daim nyias nyias quizlet?
Carrier proteins xav tau kev thauj mus los yooj yim thiab kev thauj mus los. Hla ntawm molecules xws li qabzib thiab amino acids thoob plaws plasma daim nyias nyias Txawm hais tias lawv tsis yog lipid soluble. A carrier protein speeds tus nqi uas ib tug molecule hla a daim nyias nyias los ntawm qhov siab dua mus rau qis dua concentration.
Cov kab mob cov kab mob puas ua haujlwm tiv thaiv kev sib kis?
Tsis zoo li channel cov proteins uas xwb thauj cov tshuaj los ntawm daim nyias nyias, carrier proteins ua tau thauj ions thiab molecules yog passively los ntawm kev yooj yim nthuav tawm , los yog ntawm theem nrab active thauj.
Pom zoo:
Puas yog nws muaj tseeb tias nyob rau hauv kev thauj mus los ntawm kev txav ntawm cov khoom hla ib daim nyias nyias yuav tsum muaj zog?
Hauv kev thauj mus los passive, kev txav ntawm cov khoom hla ib daim nyias nyias yuav tsum muaj zog. _ Muaj tseeb_ 5. Endocytosis yog ib txoj kev uas ib lub cell membrane nyob ib puag ncig thiab siv cov khoom los ntawm ib puag ncig. Ib daim nyias nyias uas tso cai rau qee cov ntaub ntawv dhau los qhia txog kev xaiv permeability
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