Which amino acid was first linked to its codon by Nirenberg?
Lysine
Phenylalanine
Glycine
Methionine
Answer
Phenylalanine was the first amino acid to be linked to its codon by Marshall Nirenberg. In 1961, Nirenberg and his team used a cell-free system to demonstrate that the codon UUU codes for phenylalanine. This breakthrough marked a significant advancement in understanding the genetic code and paved the way for further research on the relationship between codons and amino acids.
Decoding the Genetic Code: The Marshall Warren Nirenberg Challenge
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