Video: Cov tshuaj twg muaj qhov siab tshaj plaws ntawm cov khoom?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Ib hypertonic kev daws teeb meem muaj a siab dua concentration ntawm yaj hais tiam sis cell.
Tib neeg kuj nug, thaum twg cov concentration ntawm cov khoom yaj yog tib yam thoob plaws hauv kev daws teeb meem?
Qib Kawm Qib 10 - 7-3 Cov Ciam Ciam Cuam Tshuam
| A | B |
|---|---|
| thaum cov ntsiab lus ntawm kev daws yog SAME thoob plaws hauv kab ke, lub kaw lus tau mus txog | kev sib npaug |
| particles yuav txav los ntawm ib cheeb tsam uas lawv muaj ntau concentrated mus rau qhov chaw uas lawv tsis tshua muaj concentrated, yog ib tug txheej txheem ntawm | nthuav tawm |
Kuj Paub, uas muaj ntau dua cov dej cov tshuaj hypertonic lossis cov tshuaj hypotonic piav qhia koj cov lus teb? Cov hypertonic kua muaj qis dua dej concentration tshaj qhov tshuaj hypotonic , yog a siab gradient ntawm dej tam sim no muaj nyob thoob plaws daim nyias nyias. Dej molecules yuav txav los ntawm sab ntawm dej ntau dua mus rau sab qis siab mus rau ob leeg kev daws teeb meem yog isotonic.
Cov tib neeg kuj nug, thaum qhov sib xyaw ntawm cov khoom tawg sab nraum lub cell yog sib npaug rau cov ntsiab lus ntawm cov piam thaj hauv cov cell cov cell daws yog isotonic?
Thaum lub concentration ntawm yaj hais sab nraum lub cell sib npaug zos rau cov concentration ntawm yaj hais nyob rau hauv lub cell, lub cell daws yog isotonic .. Membranes yog xaiv tau permeable yog tias lawv tso cai tsuas yog qee yam tshuaj txav mus hla lawv.
Thaum cov kev daws teeb meem tau mob siab rau hauv ib cheeb tsam thiab tsawg dua nyob hauv lwm yam dab tsi yuav tshwm sim?
Hauv kev daws teeb meem, cov khoom txav mus tas li. Lawv sib tsoo nrog ib leeg thiab xav rau nthuav tawm tsis xwm yeem. Raws li qhov tshwm sim, cov khoom sib txawv rau txav los ntawm ib cheeb tsam lawv nyob qhov twg ntau tsom mus rau thaj chaw lawv nyob qhov twg tsawg concentrated , txheej txheem hu ua diffusion (dih-FYOO-zhun).
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