Asked by kelvin calin
What was Marshall Nirenberg and Heinrich Matthaei’s contribution to our current understanding of the genetic code?
discovery of codons
discovery and extraction of DNA
creation of a model of DNA
creation of Photo 51
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Discovery of codons.
In 1961 Nirenberg and Matthaei used a cell‑free translation system and synthetic RNA (notably poly-U) to show that the triplet UUU directs incorporation of phenylalanine—the first proof that three‑base codons in RNA specify amino acids and thus decode the genetic code.
In 1961 Nirenberg and Matthaei used a cell‑free translation system and synthetic RNA (notably poly-U) to show that the triplet UUU directs incorporation of phenylalanine—the first proof that three‑base codons in RNA specify amino acids and thus decode the genetic code.
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