One of the main features of the cell surface membrane is that it is partially permeable, so allowing the transfer of substance between its internal and external environments. Using your knowledge of the fluid mosaic model, explain how the membrane acts as a barrier to water-soluble molecules.

the correct answer should be false

{apex}

the endomembrane system i think

answer >   yes we do, women; have three holes, urethral opening(pee hole, vagina, and the women pee/girls pee out of the urethra like the men do; only they have a single opening to pee/ejaculate.   (sorry if i'm too forward with this, but this is for a biology class, isn't it? )

hope that !         : )

i won't lie i don't know so go online and ask google thats what i do