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.
Average annual rainfall drops from 55 inches at Port Arthur in Jefferson County to less than 29 inches along most of the lower coast. The humid upper coast supports well-vegetated wetlands dominated by grasses and other temperate-climate plants.he average rainfall drops from 55 inches at Port Arthur in Jefferson County to less than 29 inches along most of the lower coast. Rainfall changes drastically from one end of the Texas Coast to the other.