Function of the trp operon in E. coli. The trp operon of E. coli controls expression of five enzymes that are involved in the biosynthesis of the amino acid tryptophan. A trp repressor protein (trpR) binds to the trp operator to prevent transcription when tryptophan is present.
Upon the filing of the MARRIAGE LICENSE by the clerk the marriage is essentially finalized and a part of the public record. As a part of the public record the MARRIAGE RECORD can be accessed and viewed by the public at large. The existence of a MARRIAGE RECORD performs a number of functions which include: notification to others of the marriage, the prevention of bigamy, verification by tax authorities, etc.
A divorce record is issued by a jurisdiction to officially annul a marriage. Divorce records are also considered public record, however, many couples choose to have their actual divorce filing sealed away from public view in order to hide nasty custody battles or to shield public knowledge of their assets at the time of divorce.