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The transport factors that help in the transport of molecules through the nuclear pores are known as ___________

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The transport factors that help in the transport of molecules through the nuclear pores are known as ___________

(a) Nucleopherins

(b) Nucleoporins

(c) Karyopherins

(d) Karyoporins

I have been asked this question in final exam.

I want to ask this question from Nucleus topic in section Nucleus & Aerobic Respiration of Cell Biology

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Right answer is (c) Karyopherins

Explanation: Proteins, ribosomal subunits, and some DNAs are transported through the pore complexes mediated by a family of transport factors known as karyopherins. Karyopherins are of two types- those that mediate movement of molecules into the nucleus are called importins and those that mediate movement out of the nucleus are called exportins.

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