The Covington County, Alabama sales tax is 6.00% , consisting of 4.00% Alabama state sales tax and 2.00% Covington County local sales taxes.The local sales tax consists of a 2.00% county sales tax. The Covington County Sales Tax is collected by the merchant on all qualifying sales made within Covington County.
CASK-related intellectual disability, as its name suggests, is caused by mutations in the CASK gene. This gene provides instructions for making a protein called calcium/calmodulin-dependent serine protein kinase (CASK).
Cystic fibrosis is a disease caused by a nonsense mutation. A stop-codon mutation is the opposite of a nonsense mutation: it changes a stop codon into a codon for an amino acid, causing the protein to become too large. The added section may consist of part of another protein from the genomeâor it may be complete gibberish, if the addition comes from a non-coding region of DNA.