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.
All cells, and many viruses, produce proteins that are enzymes called DNA polymerase and RNA polymerase which make new copies of DNA and RNA. A virus's polymerase enzymes are often much more efficient at making DNA and RNA than the host cell's.