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 ...
Can you expand on this: Given that so many of the possible amino acids occur naturally, What do you mean by 'naturally'? I assume that cells do not create them since cells do not use them. Are they ...