how many codons are needed to specify 30 amino acids
30
To answer this question, we need to know that each amino acid is coded for by a sequence of three nucleotides called a codon. Therefore, to determine how many codons are needed to specify 30 amino acids, we need to divide the total number of nucleotides required by three (since there are three nucleotides in each codon).
Assuming that there is only one amino acid per codon (which is true in most cases), we can calculate the number of codons needed as follows:
30 amino acids x 3 nucleotides per codon = 90 nucleotides.
Therefore, 90 nucleotides are needed to specify 30 amino acids, which is equivalent to 30 codons.
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