If Perfect Watson-Crick Base Pairing Were Demanded Between Codons and Anticodons,cells

question 37

Essay

If perfect Watson-Crick base pairing were demanded between codons and anticodons,cells would need 61 different tRNAs.If there are only 20 amino acids used in protein synthesis,how would you explain this excess number of tRNAs compared to amino acids? Conversely,how would you explain the fact that some cells contain fewer than 61 tRNAs?

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A legal principle that prevents a party from withdrawing a promise made to a second party if the latter has reasonably relied on that promise to their detriment.

Promisee

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