Question

question 16
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which of the following is the route for the transport of materials between the nucleus and the cytoplasm?
nuclear pore
nucleosome
nucleolus
nuclear envelope
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Explanation:

• Nuclear pore: Nuclear pores are channels in the nuclear envelope that allow for the transport of materials (such as RNA, proteins) between the nucleus and the cytoplasm.
• Nucleosome: It is a structural unit of chromatin, consisting of DNA wrapped around histone proteins. It is not involved in transport between nucleus and cytoplasm.
• Nucleolus: A region within the nucleus where ribosomal RNA is synthesized and ribosome subunits are assembled. It has no role in transport.
• Nuclear envelope: It is a double - membrane structure that encloses the nucleus. While it has pores (nuclear pores) for transport, the nuclear envelope itself (as a membrane) is not the route for transport (the pores in it are).

Answer:

Nuclear pore