Sentences with phrase «oldest ribosomal»
«We have ample evidence that hundreds of the oldest ribosomal proteins still start with a valine or a leucine code and do not have the codon for methionine in the DNA,» Duax said, referring to proteins found in basic cell components called ribosomes.
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In the light of evidence suggesting that the oldest region of the ribosomal RNA tree lies on the branch leading into the bacterial kingdom, Aquifex provided grounds for the claim that it was the nearest living cousin of the universal ancestor.