What is the function of karyopherins?
A) They attach to chromosomes in order to activate heterochromatin.
B) They coat chromosomes.
C) They define the structure of Cajal bodies.
D) They transport macromolecules into or out of the nucleus.

Question

Quizplus · Accepted Answer

Karyopherins, also known as importins and exportins, are proteins responsible for transporting macromolecules such as RNA and proteins into and out of the nucleus. They bind to cargo molecules and shuttle them through nuclear pore complexes.

What Is the Function of Karyopherins