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Ch. 13 - Intracellular Protein TransportWorksheetSee all chapters
All Chapters
Ch. 1 - Overview of Cell Biology
Ch. 2 - Chemical Components of Cells
Ch. 3 - Energy
Ch. 4 - DNA, Chromosomes, and Genomes
Ch. 5 - DNA to RNA to Protein
Ch. 6 - Proteins
Ch. 7 - Gene Expression
Ch. 8 - Membrane Structure
Ch. 9 - Transport Across Membranes
Ch. 10 - Anerobic Respiration
Ch. 11 - Aerobic Respiration
Ch. 12 - Photosynthesis
Ch. 13 - Intracellular Protein Transport
Ch. 14 - Cell Signaling
Ch. 15 - Cytoskeleton and Cell Movement
Ch. 16 - Cell Division
Ch. 17 - Meiosis and Sexual Reproduction
Ch. 18 - Cell Junctions and Tissues
Ch. 19 - Stem Cells
Ch. 20 - Cancer
Ch. 21 - The Immune System
Ch. 22 - Techniques in Cell Biology
Membrane Enclosed Organelles
Protein Sorting
ER Processing and Transport
Golgi Processing and Transport
Vesicular Budding, Transport, and Coat Proteins
Targeting Proteins to the Mitochondria and Chloroplast
Lysosomal and Degradation Pathways
Endocytic Pathways
Plant Vacuole

Concept #1: ER Import

Concept #2: Inserting Membrane Proteins

Concept #3: ER Protein Modifications

Practice: 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

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

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

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