Complex sentence: They are found in abundance in all living things, where they function in encoding, transmitting and expressing genetic information--in other words, information is conveyed through the nucleic acid sequence, or the order of nucleotides within a DNA or RNA molecule.
Split into simpler sentences: They are found in abundance in all living things, where they function in encoding, transmitting and expressing genetic information. In other words, information is conveyed through the nucleic acid sequence, or the order of nucleotides within a DNA or RNA molecule.