Ib lub semipermeable membrane yog ib txheej uas tsuas yog qee yam molecules tuaj yeem hla. Semipermeable daim nyias nyias tuaj yeem ua tau ob qho tib si lom neeg thiab khoom siv. … Qhov no ua rau cov phospholipid bilayer yog ib qho zoo heev semipermeable membrane uas tso cai rau cov hlwb kom lawv cov ntsiab lus sib cais los ntawm ib puag ncig thiab lwm lub hlwb.
YYuav ua li cas organelle muaj ib tug semipermeable membrane?
Cov daim nyias nyias nyob ib puag ncig txhua lub cev (mitrochondria, lysosomes, chloroplasts). Lub tonoplast nyob ib puag ncig lub vacuole permenant hauv cov nroj tsuag yog semi-permeable.
Dab tsi yog ib qho semipermeable membrane muab piv txwv?
Ib daim nyias nyias uas yog xaiv permeable, piv txwv li yog permeable rau qee yam molecules thiab tsis yog rau txhua lub molecules. Ntxiv. Ib qho piv txwv ntawm xws li daim nyias nyias yoglub cell membrane qhov twg nws tso cai rau qee yam ntawm cov molecules los ntawm kev nthuav dav thiab qee zaus los ntawm kev yooj yim diffusion.
Dab tsi yog semipermeable membrane muab ob qho piv txwv?
Membranes, Synthetic (Chemistry)
Lawv kuj muaj nyob rau hauv cov kab mob lom. Piv txwv li, qav tawv nqaij feem ntau yog siv los ua ib daim nyias nyias. Synthetic membranes xws li cellophane thiab daim nyias nyias ua nrog polyvinyl cawv, polyurethane, thiab polytrifluorochloroethylene xaiv kis dej.
txhais li cas hais tias daim nyias nyias yog semipermeable?
: ib nrab tab sis tsis ywj pheej lossis tag nrho permeabletshwj xeeb: permeable rau qee qhov feem ntau me me molecules tab sis tsis yog rau lwm qhov feem ntau loj dua ib lub semipermeable membrane.
