Kev qhia ntawm tes ntawm tes
Lub xovtooj ntawm lub ntsej muag yog ib qho yooj yim semipermeable membrane tsim ntawm phospholipids, nrog tuab ntawm 7 txog 8 nm. Rau tsiaj cov hlwb, sab nraud ntawm daim nyias nyias tau nyob hauv ib puag ncig sab nraud. Nws lub luag haujlwm tseem ceeb yog xaiv cov khoom sib pauv, nqus cov khoom noj kom zoo, tshem tawm cov pa zom zaub mov, thiab tso pa tawm thiab thauj cov protein.