But not always: a silent mutation is a type of mutation in the coding region of a gene that doesn't actually change the amino acid sequence of the protein that is made. Below, learn how silent mutations work and why they're no big deal for an organism.
Sponsored Topics. Port Arthur is a city in Jefferson County within the BeaumontâPort Arthur Metropolitan Statistical Area of the U.S. state of Texas. The population was 57,755 at the 2000 census. Port Arthur is located on the western bank of Sabine Lake. The Rainbow Bridge across the Neches River connects Port Arthur to Bridge City.
Population of Port Arthur, TX. Last official estimated population of Port Arthur city (Jefferson County**, Texas state) was 54,548 (year 2014) [1]. This was 0.017% of total US population and 0.2% of total Texas state population. Area of Port Arthur city is 144.2 miÂ² (=373.4 kmÂ²) [6], in this year population density was 378.35 p/miÂ².