Thus, there would be continuous selective pressure to add enzymes in the retrograde direction to catalyze synthesis of precursors from ever more simple constituents.
You take corn You crush the corn You mix the corn with water You add enzymes (to turn the corn into simple sugars) You add yeast You let the yeast ferment the sugars to create alcohol.
There has been quite a lot of talk recently about adding enzymes to help the carp digest our sophisticated carp baits.
"Now we have to separate the cells," he said, putting the sample in tissue culture medium, then adding enzymes.
They don't add sugar to increase the alcohol content or add enzymes or acid to make up for what's lacking, and they shun the high-tech tools of modern winemaking that essentially give more control to winemakers when nature's course is not to their liking.
Junk inside cells might be removed by adding new enzymes to the cell's natural digestion organ, the lysosome.
HFCS is produced by milling corn (maize) to produce corn starch, then processing that starch to yield corn syrup, which is almost entirely glucose, and then adding enzymes that change some of the glucose into fructose.
Organs such as the liver and pancreas add enzymes and various chemicals as the food moves through the digestive tract.
When the churning is complete, the glands in the walls of the gizzard add enzymes to the thick paste, which helps chemically breakdown the organic matter.