4

A) The ribosome making the polypephde chain approaches łhe celi membranę. The polypepłide wiłh ih signal scqucncc binds k> łhe signal rccognilion protein B| The signal rocognition protein recognizes the translocasc and binds k) ił, ollowing łhe polypepłide chain ło bogiń ił* joumey łhrough łhe membranę. Cl After łhe signal sequence exiłs łhe łronslocase, leoder pepłidase cuts the polypepłide chain. liberałing łhe signal pepłide. D) Finał folding of łhe protein occurs oułside the celi.