Video: Puas yooj yim diffusion nquag thauj?
2024 Tus sau: Miles Stephen | [email protected]. Kawg hloov kho: 2023-12-15 23:36
Thaum kev thauj mus los xav tau lub zog thiab ua haujlwm, passive thauj tsis. Muaj ntau ntau yam ntawm no yooj yim txav ntawm molecules. Nws yuav ua tau li yooj yim raws li cov molecules txav dawb xws li osmosis lossis nthuav tawm . Nws yog txheej txheem hu ua yooj yim diffusion.
Ib yam li ntawd, nws raug nug, puas yooj yim diffusion nquag lossis passive?
Yooj yim diffusion yog cov passive txav ntawm cov kuab tshuaj los ntawm ib tug siab concentration mus rau ib tug qis concentration kom txog rau thaum lub concentration ntawm lub solute yog uniform thoob plaws hauv lub thiab mus txog equilibrium.
Tsis tas li ntawd, puas yooj yim diffusion xav tau lub zog? A. Yooj yim diffusion ua tsis yog xav tau lub zog : yooj yim diffusion xav tau ib qhov chaw ntawm ATP. Yooj yim diffusion tuaj yeem tsuas yog txav cov khoom nyob rau hauv cov kev taw qhia ntawm ib tug concentration gradient; txhawb nqa nthuav tawm txav cov ntaub ntawv nrog thiab tawm tsam ib tug concentration gradient.
Yog li ntawd, yog diffusion yog active thauj?
Diffusion vs. Kev thauj mus los : molecules txav hla cell membranes los ntawm ob txheej txheem loj nthuav tawm los yog kev thauj mus los . Diffusion yog qhov txav los ntawm qhov siab ntawm molecules mus rau qhov tsis tshua muaj siab ntawm molecules. Tsiv molecules nrog lub zog ntawm tes hu ua kev thauj mus los.
Dab tsi yog qhov yooj yim diffusion hauv cell?
Yooj yim diffusion yog cov txheej txheem uas cov kuab tshuaj tau txav mus raws li qhov concentration gradient nyob rau hauv ib qho kev daws los yog hla ib daim nyias nyias. Yog tias cov molecules me txaus, qhov no yooj yim diffusion tuaj yeem tshwm sim hla cell daim nyias nyias, nruab nrab ntawm tus kheej phospholipids uas ua rau daim nyias nyias.
Pom zoo:
Dab tsi yog qhov txawv ntawm osmosis diffusion thiab yooj yim diffusion?
Osmosis kuj tshwm sim thaum dej txav ntawm ib lub cell mus rau lwm qhov. Kev yooj yim diffusion ntawm qhov tod tes tshwm sim thaum qhov nruab nrab nyob ib puag ncig ntawm lub cell yog nyob rau hauv siab concentration ntawm ions los yog molecules tshaj qhov chaw nyob rau hauv lub cell. Cov molecules txav los ntawm ib puag ncig nruab nrab mus rau hauv lub cell vim diffusion gradient
Puas yooj yim diffusion siv cov protein raws?
Saib ze ze: Cov neeg nqa khoom yooj yim Diffusion Muaj ob hom kev sib koom ua ke ntawm cov neeg nqa khoom yooj yim: Channel proteins thauj tsuas yog dej lossis qee yam ions. Lawv ua li ntawd los ntawm kev tsim cov protein-lined passageway hla daim nyias nyias. Ntau cov dej molecules lossis ions tuaj yeem hla hauv ib cov ntaub ntawv los ntawm cov channel ntawm tus nqi nrawm heev
Puas yog yooj yim diffusion passive thauj?
Facilitated diffusion (tseem hu ua kev thauj mus los yooj yim lossis kev thauj mus los tsis tu ncua) yog cov txheej txheem ntawm kev thauj mus los tsis tu ncua (raws li tsis yog kev thauj mus los) ntawm cov molecules lossis ions hla ib daim nyias nyias ntawm cov protein tshwj xeeb transmembrane
Puas yooj yim diffusion siv cov proteins channel?
Saib ze ze: Cov neeg nqa khoom yooj yim Diffusion Muaj ob hom kev sib koom ua ke ntawm cov neeg nqa khoom yooj yim: Channel proteins thauj tsuas yog dej lossis qee yam ions. Lawv ua li ntawd los ntawm kev tsim cov protein-lined passageway hla daim nyias nyias. Ntau cov dej molecules lossis ions tuaj yeem hla hauv ib cov ntaub ntawv los ntawm cov channel ntawm tus nqi nrawm heev
Vim li cas thiaj yooj yim diffusion tsis yog hom kev thauj mus los?
Qhov sib txawv no yog tias kev thauj mus los xav tau lub zog, thaum uas yooj yim diffusion tsis xav tau lub zog. Lub zog uas nquag thauj siv yog ATP (adenosine triphosphate). Lub zog xav tau nyob rau hauv daim ntawv no ntawm kev thauj mus los vim hais tias cov khoom yuav tawm tsam cov concentration gradient