| 31. | The nature of the codon usage-tRNA optimization has been fiercely debated.
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| 32. | It is not clear whether codon usage drives tRNA evolution or vice versa.
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| 33. | The ribosome has three sites for tRNA to bind.
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| 34. | The growing polypeptide chain is transferred to the tRNA in the A site.
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| 35. | In activation, the correct amino acid is transfer RNA ( tRNA ).
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| 36. | No tRNA can recognize or bind to this codon.
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| 37. | This leads to charging of the tRNA by a chemically related amino acid.
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| 38. | The tRNA bound in the E / E site then leaves the ribosome.
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| 39. | As with all eukaryotes, there are 22 mitochondrial tRNA genes in humans.
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| 40. | This reaction, called tRNA charging, is catalyzed by aminoacyl tRNA synthetase.
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