Secretory Pathway and Intracellular Traffic I

Question 1

Gated transport is between the ____ and ____.

Answer 1

cytosol; nucleus

Question 1

The signal sequence is recognized by a _____, which is a complex of six proteins bound to one RNA molecule.

Answer 1

signal recognition particle (SRP)

Question 1

____ transfers from the Golgi to the ER.

Answer 1

COPI

Question 3

The signal sequence is recognized by a signal recognition particle (SRP), which is _____.

Answer 3

a complex of six proteins bound to one RNA molecule

Question 5

______ and movement of the growing polypeptide are regulated by the ribosome and by BiP chaperone protein.

Answer 5

Opening of the pore

Question 7

____ transfers from the Golgi to the plasma membrane.

Answer 7

Clathrin

Question 8

Proteins move between compartments using three fundamental mechanisms: (1) gated transport (2) transmembrane transport and (3) _______.

Answer 8

vesicular transport

Question 8

What are the 3 coat structures?

Answer 8

1) COPII 2) COPI 3) clathrin

Question 9

The major organelles of the exocytic pathway are the ____ and the _____.

Answer 9

ER; Golgi

Question 10

What is membrane trafficking?

Answer 10

moving molecules from their synthesis site to a function site

Question 10

Proteins move between compartments using three fundamental mechanisms: (1) gated transport (2) ______ and (3) vesicular transport.

Answer 10

transmembrane transport

Question 12

Vesicular transport is between ____ and _____.

Answer 12

one organelle; another organelle

Question 13

Proteins move between compartments using three fundamental mechanisms: (1) _____ (2) transmembrane transport and (3) vesicular transport.

Answer 13

gated transport

Question 14

Opening of the pore and ______ are regulated by the ribosome and by BiP chaperone protein.

Answer 14

movement of the growing polypeptide

Question 15

_____ transfers from the ER to the Golgi.

Answer 15

COPII

Question 16

Transmembrane transport is between the ____ and _____.

Answer 16

cytosol; an organelle

Question 17

Opening of the pore and movement of the growing polypeptide are regulated by _____and by _____.

Answer 17

the ribosome; BiP chaperone protein

Question 18

COPI transfers from the ____ to the ____.

Answer 18

Golgi; ER

Question 19

COPII transfers from the __ to the ____.

Answer 19

ER; Golgi

Question 20

Clathrin transfers from the ____ to the ____.

Answer 20

Golgi; plasma membrane