RAT #18 - Vesicular Trafficking - (Targeting Proteins)

Question 1

Which Cellular Pathway moves materials to various sites within the Cell?

a. Secretion pathway
b. Endocytic pathway
c. Exocytic pathway
d. Metabolic pathway

Answer 1

a. Secretion Pathway

Question 2

Bulk Flow secretion is an example of ?

a. Retrograde transport
b. Forwardgrade transport
c. Nortograde transport
d. Anterograde transport

Answer 2

d. Anterograde transport

Question 3

Starting from the Nucleus + Moving outward TOWARDS Cell Membrane, which of following lists the Protein Sorting Compartments in proper order?

a. Rough ER, Transitional ER, trans-Golgi, Medial Golgi, cis-Golgi
b. Transitional ER, Rough ER, cis-Golgi, Medial Golgi, trans-Golgi
c. trans-Golgi, Medial Golgi, cis-Golgi, Rough ER, Transitional ER
d. trans-Golgi, Medial Golgi, cis-Golgi, Transitional ER, Rough ER
e. Transitional ER, Rough ER, trans-Golgi, Medial Golgi, cis-Golgi
f. Rough ER, Transitional ER, cis-Golgi, Medial Golgi, trans-Golgi

Answer 3

1. Rough ER,
2. Transitional ER,
3. cis-Golgi,
4. Medial Golgi,
5. trans-Golgi

Question 4

The Proteins selected for TRANSPORT in Transport Vesicles are called?

a. Vesicle Proteins
b. Transported Proteins
c. Cargo Proteins
d. Sample Proteins
e. Adaptor Proteins

Answer 4

Cargo Proteins

Question 5

Which of following is NOT a Function of the Golgi Apparatus?

a. to Ensure proper folding of Proteins
b. Processing of N-linked Carbohydrates
c. O-linked Glycosylation
d. Synthesis of Glycolipids & Sphingomyelin
e. to Sort Proteints to their Proper & Final destinations.

Answer 5

a. to Ensure proper folding of Proteins

Question 6

The Name given to the Organelle or Cellular Location from where a Transport Vesicle is leaving (starting location):

a. Parent organelle
b. Initiator organelle
c. Departure organelle
d. Starting organelle
e. Target organelle

Answer 6

a. Parent Organelle

Question 7

The Cellular Components PHYSICALLY responsible for carrying Proteins through Secretory Pathway?

a. Transport Vesicles
b. the Rough ER
c. the Cytoskeleton
d. the Golgi apparatus

Answer 7

a. Transport Vesicles

Question 8

{True / False}

The INTERIOR of a Transport Vesicle is EQUIVALENT to the EXTERIOR of the Cell.

Answer 8

TRUE

Question 9

Which of the follwoign Proteins do NOT pass through Golgi Apparatus?

a. ER proteins
b. Cell Surface proteins
c. Secreted proteins
d. Ribosomal proteins
e. Lysosomal proteins

Answer 9

d. Ribosomal proteins

Question 10

{True / False}

ALL Proteins that Enter the Secretory Pathway are ultimately secreted to Outside of Cell.

Answer 10

FALSE