Science, asked by pankajkumar8102000, 8 months ago

how many protein can import or export to the nucleus explain with suitable diagram​

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Answered by Shatakshi2006
1

Answer:

Proteins import to the nucleus

Proteins destined for the nucleus contain NLSs. These short stretches of amino acids interact with proteins located in the cytoplasm, on the nuclear envelope, and/or at the nuclear pore complex. Following binding at the pore complex, proteins are translocated through the pore into the nucleus in a manner requiring ATP.

Protein export from the nucleus

The entry and exit of large molecules from the cell nucleus is tightly controlled by the nuclear pore complexes (NPCs). ... Proteins, transfer RNA, and assembled ribosomal subunits are exported from the nucleus due to association with exportins, which bind signaling sequences called nuclear export signals (NES).

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