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I wanted to illustrate the process I explained in a comment on aandreev's answer with some images, I just copy/pasted the actual text sections, however. From comments: The tRNA is bound to an elongation EF-Tu (which is also bound to GTP). The Ef-Tu has an affinity for a factor binding site in the A-site of the large ribosomal subunit. You have an anticodon ...


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As with many processes in cellular biology, nothing really moves anywhere, attracted by specific force. What that means, is that any molecule has a chance to interact with any other molecule, say, bind to it. Only force that is acted is electrical force of attraction of negative charges to positive ones. Due to diffusion and temperature fluctuations, ...



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