In order for exportin to be released from the complex containing mRNA, hydrolysis of Ran-GTP must...
In order for exportin to be released from the complex containing mRNA, hydrolysis of Ran-GTP must occur via this protein.
a) NPC
b) GEF
c) GAP
Homework Answers
The correct answer is c) GAP.
Explanation: In the nuclear export process, the exportin protein binds cargo (i.e mRNA) in the presence of Ran-GTP. This ternary complex i.e exportin-cargo-RanGTP complex interacts with the nuclear pore complex to diffuse to the cytoplasm through the pore. In the cytoplasm, this ternary complex is dissociated from each other through the hydrolysis of Ran-GTP when the Ran-GTP interacts with GAP(i.e. GTPase activating protein). GAP induces the hydrolysis of GTP.
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mon 1 Which of the following choices reflects the appropriate order of locations through which a newly translated protein destined for the plasma membrane trave? Mariato Select one ER- Golgi plasma membrane Golgi - E lysosome plasma membrane lysosome-ondosome-plasma membrane d. Golgi - ER-Lysosome-plasma membrane ER - some-Gold-plasma membrane Question 2 Proteins destined for the mitochondrial matrix must pass through the Select one Inner mitochondrial membrane intermembrane space couter mitochondrial membrane d. TOM Complex All of these are correct Question...
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