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<p>can occur in the secretory vesicles (for example <a href="page.php?w=insulin">insulin</a> is cleaved from <a href="page.php?w=proinsulin">proinsulin</a> in the secretory vesicles).</p>

<p>Eventually, there is <a href="page.php?w=vesicle_fusion">vesicle fusion</a> with the <a href="page.php?w=cell_membrane">cell membrane</a> at porosomes, by a process called <a href="page.php?w=exocytosis">exocytosis</a>, dumping its contents out of the cell's environment.</p>

<p>Strict <a href="page.php?w=biochemical">biochemical</a> control is maintained over</p><p>
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