What is the functional connection between the nucleolus, nuclear pores, and the nuclear membrane? the nucleolus contains messenger rna (mrna), which crosses the nuclear envelope through the nuclear pores. endoplasmic reticulum membrane is produced in the nucleolus and leaves the nucleus through the nuclear pores. the nuclear pores are connections between the nuclear membrane and the endoplasmic reticulum that permit ribosomes to assemble on the surface of the er. subunits of ribosomes are assembled in the nucleolus and pass through the nuclear membrane via the nuclear pores. none of the listed responses is correct.

The correct answer is-Subunits of ribosomes are assembled in the nucleolus and pass through the nuclear membrane via the nuclear pores.

Explanation:

In the nucleus, the nucleolus is present which is made up of RNA and protein. Nucleolus is the site where ribosomal subunits are produced and assembled with the help of rRNA and proteins.

Both the ribosomal subunits small and large are produced in the nucleolus and then they are then pass through the nuclear membrane with the help of nuclear pore present in the nuclear membrane.

Then some of these ribosome attaches to endoplasmic reticulum and some become free moving in cytoplasm. There these ribosomal subunits join to perform protein synthesis.

Therefore the correct answer is-Subunits of ribosomes are assembled in the nucleolus and pass through the nuclear membrane via the nuclear pores.

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