Question

Answer each question with explanation. Will rate good.

1) Eukaryotic cells are continually taking up materials from the extracellular space by the process of endocytosis. HIV can get inside the cell through this process. What type of coat proteins would be sed to internalize the HIV particle?
a. COPI
b. COPII
c. Clathrin
d. CCR5

2) Which of the following protein families are not involved in directing transport vesicles to the target membrane?
a. SNAREs
b. Rheb proteins
c. Clathrin
d. Ras proteins

3) ________ is the sorting station of outward secretory pathway.
a. trans-Golgi
b. cis-Golgi
c. Endosome
d. ER

4) Which of the following is not one of the three major types of coated vesicles.
a. Rb
b. COPI
c. COPII
d. Clathrin

5) Imagine that you have engineered a gene coding a protein with signals for import into mitochondria and ER retention signal (KDEL only). Which compartment will be the destination of the protein?
a. nucleus
b. cytoplasm
c. ER lumen
d. mitochondria

Answer 1