Answer to Question #286717 in Cell Biology for Vikas kumar caim

Question

Name two similarities and two differences between the cellular processes of importing protein into the ER and importing protein to the nucleus.

Answer 1

Nuclear protein import is a selective process. ... These short stretches of amino acids interact with proteins located in the cytoplasm, on the nuclear envelope, and/or at the nuclear pore complex. Following binding at the pore complex, proteins are translocated through the pore into the nucleus in a manner requiring ATP.