試題詳解

30. Ribosomes attached to rough ER are the site for synthesis of many types of secretary proteins. Which of the following mechanism is typically used for nascent protein insertion into the mammalian ER membrane?
(A) Pretranslational.
(B) Cotranslational.
(C) Post-translational.
(D) Cotranscriptional.
(E) All of the above.