Daim duab 5.13 Lub contractile vacuole yog lub hnub qub zoo li qauv nyob rau hauv paramecium (ntawm qhov chaw-txoj cai). Facilitated diffusion yog diffusion ntawm cov kuab tshuaj los ntawm kev thauj cov proteins hauv plasma membrane. Facilitated diffusion yog hom passive thauj.
Puas cov vacuoles contractile siv zog?
Yes, lawv siv zog.
Puas yog vacuole nquag thauj?
Kev thauj mus los ua rau cov hlwb no nqa cov ntsev los ntawm cov tshuaj dilute no tawm tsam cov kev taw qhia ntawm cov concentration gradient. … Thaum lub vacuole muaj cov channel rau cov ions, kev thauj mus los ntawm lawv yog tawm tsam cov concentration gradient, thiab yog li kev txav ntawm cov ions no yog tsav los ntawm hydrogen twj, lossis cov twj proton.
Lub tshuab nqus tsev vacuole yog dab tsi?
contractile vacuole, tswj organelle, feem ntau yog kheej kheej, pom nyob rau hauv cov dej tshiab protozoa thiab qis metazoans, xws li daim txhuam cev thiab hydras, uas khaws cov kua ntau dhau ntawm cov protoplasm thiab ntuav nws mus rau hauv nruab nrab ib puag ncig Nws kuj tseem tuaj yeem tso cov khoom pov tseg nitrogenous.
Puas yog lub twj tso kua mis ntawm tes ua haujlwm lossis tsis ua haujlwm?
Pump action yog ib qho piv txwv ntawm kev thauj mus los. Raws li qhov sib txawv, ua kom cov ions ntws sai heev los ntawm daim nyias nyias nyob rau hauv ib qho kev taw qhia downhill. Channel ua piv txwv passive transport, los yog pab kom muaj kev sib kis. Cov twj tso kua mis yog lub zog hloov hluav taws xob uas lawv hloov ib hom ntawm lub zog pub dawb rau lwm qhov.
