Researchers now updating and expanding evolution’s list of 20 amino acids

(credit: Spencer Katz) Serine? So last century. Valine? Over it. Glycine? You’ve got to be kidding me. Those chemicals are part of the 20 amino acids that are typically incorporated into proteins. That means they have a dedicated place in what’s called the genetic code, which translates between the bases of DNA to the amino acids of […]