Membranes tuaj yeem faib ua impermeable, permeable, semipermeable lossis xaiv permeable. Lub impermeable daim nyias nyias yog ib qho uas tsis muaj tshuaj nkag mus tau. Semipermeable membranes yog cov uas tsuas yog cia cov kuab tshuaj, xws li dej, dhau los ntawm lawv.
Puas yog daim nyias nyias impermeable?
Lub cell membrane feem ntau yog impermeable rau feem ntau cov tshuaj vim yog nruj ntawm cov lipid tail packing mechanism thiab lawv heev…
Puas cell membranes selectively impermeable?
Cov cell membrane yog xaiv permeable, txhais tau tias nws tsuas tso qee yam hauv thiab tawm. Cov qauv ntawm cov phospholipid bilayer tiv thaiv cov khoom random los ntawm kev ya raws ntawm daim nyias nyias, thiab cov proteins ua zoo li lub qhov rooj, tso cov khoom zoo hauv thiab tawm.
Cov cell impermeable yog dab tsi?
Feem ntau cov molecules uas tsis nquag tuaj los ntawm cov hlwb uas muaj sia nyob yog impermeable rau cell membranes, suav nrog txhua qhov macromolecules thiab txawm tias ntau lub me me molecules uas nws lub cev muaj zog tiv thaiv kab mob kis tau.
YYuav ua li cas yog tias daim nyias nyias tsis tuaj yeem?
Yuav ua li cas yog tias lub cell daim nyias nyias ua impermeable? Cov tshuaj tsis tuaj yeem nkag mus rau sab hauv lossis sab nraud ntawm tes thiab lawv yuav tas li… Cov amino acids.
