Vim li cas thiaj yooj yim diffusion tseem ceeb?
Vim li cas thiaj yooj yim diffusion tseem ceeb?

Video: Vim li cas thiaj yooj yim diffusion tseem ceeb?

Video: Vim li cas thiaj yooj yim diffusion tseem ceeb?
Video: Vim Li cas Koj Yuav tsum Tau Kawm English, Thiab Yuav Kawm Li cas Thiaj Yooj Yim 2024, Kaum ib hlis
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Diffusion yog tseem ceeb rau cov kab mob vim nws yog cov txheej txheem uas muaj txiaj ntsig molecules nkag mus rau hauv lub cev hlwb thiab cov khoom pov tseg raug tshem tawm. Digested zaub mov molecules (amino acids, qabzib) txav mus rau ib tug concentration gradient los ntawm txoj hnyuv mus rau cov ntshav.

Ntawm no, qhov yooj yim diffusion ua li cas?

Yooj yim Diffusion Txhais. Yooj yim diffusion yog qhov txheej txheem los ntawm cov kuab tshuaj yog txav mus raws ib tug concentration gradient nyob rau hauv ib tug tov los yog hla ib tug semipermeable membrane. Yooj yim diffusion yog ua los ntawm kev ua ntawm hydrogen bonds tsim ntawm dej molecules thiab solutes.

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.

Dab tsi yog qhov tsim nyog rau kev yooj yim diffusion?

Yooj yim diffusion tsis xav tau lub zog thiab tshwm sim raws li qhov concentration gradient. Nyob rau hauv tib neeg lub cev, molecules, xws li dej, oxygen, carbon dioxide, ethanol thiab urea, kis ncaj qha los ntawm cell membrane mus rau hauv thiab tawm ntawm ib tug cell siv. yooj yim diffusion.

Yuav ua li cas diffusion pab lub cell?

Cells siv lub zog kom nquag thauj cov molecules tawm tsam tus txheeb ze concentration gradient. Kev thauj mus los yooj yim, lossis yooj yim nthuav tawm , rog ions thiab molecules los ntawm cell cov daim nyias nyias. Cov txheej txheem tswj osmotic tshuav nyiaj li cas thiab tiv thaiv cov cell los ntawm kev tawg los ntawm kev noj dej ntau dhau.

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