ZIP Code. ZIP Codes are a system of postal codes used by the United States Postal Service since 1963. The term ZIP, an acronym for Zone Improvement Plan, was chosen to suggest that the mail travels more efficiently, and therefore more quickly (zipping along), when senders use the code in the postal address. The basic format consists of five numerical digits.
Transcription is the first step of gene expression, in which a particular segment of DNA is copied into RNA (mRNA) by the enzyme RNA polymerase. Both DNA and RNA are nucleic acids, which use base pairs of nucleotides as a complementary language.
Transcription.   Transcription is the production of the first draft of mRNA, using the base sequence of the template strand of DNA to determine the base sequence of the R â¦ NA. This RNA will include any introns, which will later be cut out; this is called RNA editing. 3 people found this useful. Answered. In Genetics.