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Biology

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    $\begingroup$ I'm not as familiar with the intricacies of e.g. protein synthesis, but for, say, vesicle release at synapses between neurons I feel like saying biology "knows where to go" is a bit magical; what actually happens is quite simple and intuitive: the various proteins involved are co-localized via associations with other structural proteins, which means that when, say, calcium ions enter through an ion channel, they aren't diffusing throughout the volume of the cell, they're diffusing a very short distance to a calcium sensor located right next to the channel. $\endgroup$ Commented May 2, 2023 at 20:56
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    $\begingroup$ sure - though that is a specific system among the many in the cell. there are some cases like clathrate mediate endocytosis and the endoplasmic reticulum and mitochondria that are better studied than others. the question is pretty broad and perhaps focused on individual proteins specifically. would love to see a good question on synaptic vesicles. there are visualizations of these processes available too which are pretty specific. $\endgroup$ Commented May 3, 2023 at 21:04