-(â)-lactic acid or (R)-lactic acid. A mixture of the two in equal amounts is called. -lactic acid. Lactic acid is hygroscopic. -lactic acid is miscible with water and with ethanol above its melting point which is around 17 or 18 Â°C. -lactic acid and. -lactic acid have a higher melting point. In animals, -lactate is constantly produced from pyruvate via the enzyme lactate dehydrogenase (LDH) in a process of fermentation during normal metabolism and exercise.
25 Wolves Chase Down Bison: One Of The Largest Wolf Packs Ever Filmed. This video is the first of its kind. A pack of northern gray wolves â at 25 members strong, one of the largest wolf packs ever filmed â chases down a herd of wood bison, the largest land animals in North America. This scene from the upcoming Frozen Planet series was filmed in Wood Buffalo National Park in Canadaâs Northwest Territories at the height of the Arctic winter.
This large canine is most commonly found in central Russia and Eastern and Northern Europe. Reaching up to 35 inches in height and weighing between 70 and 130 pounds, the Eurasian wolf is the largest of its kind in Eurasia. The largest recorded Grey Wolf was killed in Romania, and was said to have weighed 158 pounds. Although sometimes referred to as the âGrey Wolfâ, these Wolves arenât always grey in color. In fact, it is common to see cream colored Eurasian wolfs, as well as ones with brown or black pelts. These wolves are more rich in color when found in Northern Europe than elsewhere.