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Galactose-α-1,3-galactose, commonly known as alpha gal and the Galili antigen, is a carbohydrate found in most mammalian cell membranes. It is not found in catarrhines , [ 1 ] including humans, who have lost the glycoprotein alpha-1,3-galactosyltransferase ( GGTA1 ) gene.
Media in category "Challenge coins" The following 2 files are in this category, out of 2 total. JAGcoin.png 421 × 237; 136 KB. YDCoinReverse.jpg 299 × 305; 95 KB
This galactose molecule is called the H antigen. [28] [29] [30] Blood type A, B, AB, and O differ only in the sugar (red molecule in the illustration) linked with the penultimate galactose. For blood type B, this linked sugar is an α-1‐3‐linked galactose. Using α-GAL, this terminal galactose molecule can be removed, converting RBC to type O.
One doesn't necessarily have to be a soldier or diplomat to obtain one -- souvenir coins are also available online for purchase in the White House gift shop, ranging in price from $3.50 to $21.95 ...
The front of a U.S. Marine Corps birthday ball medallion Huguenot méreau used as a challenge coin during 17th century Protestant persecution in France. A challenge coin is a small coin or medallion, bearing an organization's insignia or emblem and carried by the organization's members. Traditionally, they might be given to prove membership ...
1943-D Lincoln Bronze Wheat Penny: $2.3 million. Designed by Victor D. Brenner, this is one of the rarest and priciest pennies in circulation today. During World War II, pennies were made of steel ...
When lactose is hydrolyzed, D-Galactose enters the liver via the bloodstream. There, galactokinase phosphorylates it to galactose-1-phosphate using ATP. This compound then engages in a "ping-pong" reaction with UDP-glucose, catalyzed by uridylyltransferase, yielding glucose-1-phosphate and UDP-galactose.
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