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RNA transcription: the process of RNA polymeraseplugin-autotooltip__default plugin-autotooltip_bigRNA polymerase: the enzyme that carries out RNA transcription. There are many different types of RNA polymerase, but in this book we collectively refer to them as just “RNA polymerase” for simplicity. using the DNAplugin-autotooltip__default plugin-autotooltip_bigDNA: deoxyribonucleic acid. The genetic material for nearly all life on Earth. sequenceplugin-autotooltip__default plugin-autotooltip_bigSequence: the precise order of monomers in a polymer. In DNA, it refers to the order of G, A, T, and C nucleotides. In RNA, it refers to the order of G, A, U, and C nucleotides. In proteins, it refers to the order of amino acids. of a geneplugin-autotooltip__default plugin-autotooltip_bigGene: read Chapters 02, 03, 04, 05, and 06 for a definition of gene :-) as a template for form an mRNAplugin-autotooltip__default plugin-autotooltip_bigmessenger RNA (mRNA): an RNA molecule that codes for protein. (in prokaryotesplugin-autotooltip__default plugin-autotooltip_bigProkaryote: an organism that does not have membrane bound organelles. In this book prokaryotes refer to bacteria.) or pre-mRNAplugin-autotooltip__default plugin-autotooltip_bigpre-mRNA: In eukaryotes, genes are transcribed as a longer RNA molecule called pre-mRNA, which is then processed via splicing, 5'-capping, and 3' polyadenylation before it is transported into the cytoplasm and becomes a mature mRNA. (in eukaryotesplugin-autotooltip__default plugin-autotooltip_bigeukaryote: organism whose cells have membrane bound organelles, including the nucleus.). In most cases, “transcription” implies RNA transcription.