Talk:Downregulation and upregulation

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[edit] The number of a component

This makes no sense: "Downregulation is the process by which a cell decreases the number of a cellular component...." How are cellular components numbered, and what's the significance of those numbers? If it's the number of receptors or molecules that matters, that should be stated explicitly. Unfree (talk) 05:51, 21 March 2008 (UTC)