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Why are 3 nucleotides used as codons for amino-acid mapping in DNA?
DNA is made of 4 unique nucleotides. When coding for a protein, a sequence of 3 nucleotides is used to code for each amino acid. Why are codons 3 nucleotides in length?
A related question can be ...
12
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What is the prehistory of amino acids in cells?
As a followup to Why 20 amino acids instead of 64? and What is the smallest number of amino acids required for life?, I am trying to understand the prehistory of amino acids in cells.
All living ...
