ER Processing and Transport

Concept: ER Import

4m

Concept: Inserting Membrane Proteins

7m

Concept: ER Protein Modifications

6m

Problem: Match the following term with its definition 

I. Co-translational import     ______________________ 

II. Post-translational import ______________________ 

III. ER retention signal         ______________________ 

IV. Translocon                      ______________________ 


A. Pore in the ER membrane that binds SRP and SRPR to translocate the protein into ER

B. Signal sequence located on the C-terminus and keeps proteins within the ER 

C. Process of importing proteins into the ER as they’re being translated 

D. importing proteins into the ER after they’ve been translated

1m

Problem: Which of the following is responsible for recognizing the ER signal sequence?

1m

Problem: A protein contains 5 start/stop transfer sequences. How many times will this protein cross the membrane?

2m

Problem: Glycosylation of proteins in the ER is associated with which of the following molecules or responses?

2m