Hart, TX Profile: Facts, Map & Data. Hart, Texas - Basic Facts. The City of Hart had a population of 1,125 as of July 1, 2016. Hart ranks in the upper quartile for Population Density and Diversity Index when compared to the other cities, towns and Census Designated Places (CDPs) in Texas. See peer rankings below.
Transcription. Definition. noun. It is the process of transcribing or making a copy of genetic information stored in a DNA strand into a complementary strand of RNA (messenger RNA or mRNA) with the aid of RNA polymerases.Supplement.t is the process of transcribing or making a copy of genetic information stored in a DNA strand into a complementary strand of RNA (messenger RNA or mRNA) with the aid of RNA polymerases.
A transcription unit is the chain of nucleotides in a strand of DNA that begins at a start code and continues to the end code. When referring to the stretch of DNA that is transcribed into RNA, many scientists use the term transcription unit rather than gene..