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Unformatted text preview: organism or the last common ancestor. Another commonality is that all living things consists of similar organic compounds and consist of proteins formed from one set of 20 standard amino acids. As these proteins include enzymes that are crucial to the reproduction, development, and survival contemporary organisms carry their genetic information in nucleic acids, specifically RNA and DNA, and use mainly the said genetic code. As each organism relies on this code which specifies the amino acid sequence of all the proteins, the instructions take the form of precise sequences of nucleotides which represent the building blocks of nucleic acids. Through these findings we can conclude that our last common ancestor stored genetic information in nucleic acids that specified the composition of all needed proteins....
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- Winter '11