The Cell Cycle and Events of M-Phase

ID #1551

Can you clarify phosphorylation for me? What I think I know is that by phophorylating a protein (or is it a lipid...), you make it no longer want to associate with other lipids/proteins. This also gives each fragment of the nuclear envelope a negative charge, so it will not want to associate with the chromosomes. To make the nuclear envelope reform, you use phosphetase to dephosphorylate the protiens/ lamins.

It is in fact proteins that are getting phosphorylated (by kinases), and they lose their affinity for neighboring molecules. Then when those phosphates are later removed (by phosphatases), that affinity is regained and new nuclei are assembled.

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