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expressed sequence of DNA; codes for a protein


process in which one strain of bacteria is changed by a gene or genes from another strain of bacteria


sequence of DNA that is not involved in coding for a protein


group of 3 bases on a tRNA molecule that are complementary to an mRNA codon

DNA Polymerase

enzyme involved in DNA replication that joins individual nucleotides to produce a DNA molecule


copying process by which a cell duplicates its DNA

Messenger RNA

RNA molecule that carries copies of instructions for the assembly of amino acids into proteins from DNA to the rest of the cell


decoding of a mRNA message into a polypeptide chain


process in which part of the nucleotide sequence of DNA is copied into a complementary sequence in RNA


made up of 3 basic components- a 5-carbon sugar, a phosphate group, and a nitrogenous base

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