By framework, It's a porous membrane (with pores) which permits the movement of selective substances out and in of the cell. Apart from this, the cell membrane also safeguards the cellular element from hurt and leakage. Quite a few prokaryotic cells even have cilia, tails, or other ways that the https://thoughtthreads.net/exploring-recombinant-antibody-production-a-focus-on-mammalian-cell-systems/