That year, driving a car 10,000 miles cost 9 cents a mile, and gasoline sold for 27 cents per gallon. Methodology Cost calculations in this edition of Your Driving Costs are comparable to the 2012 version. The process used to estimate annual driving costs is proprietary to AAA.
Enzymes are produced by microorganisms. These microorganisms can be modified to produce enzymes with much better yield properties and purity. Such GMMs (genetically modified micro-organisms) are however not part of the final enzyme product.
Oxygen is produced as a by-product of photosynthesis. ] and making new proteins. For this reason enzymes are sometimes called biological catalysts. Enzymes speed up (catalyse) chemical reactions occurring inside and outside of living cells. This includes: 1  DNA replication. 2  Protein synthesis. 3  Digestion.