I had a rough idea. Mar-Vell has been around on Earth for a fairly long time. He's popped up occasionally, helped people out, and then disappeared, so "Captain Marvel" is just an urban legend. Some aliens (Kree, Skrull, doesn't matter) show up on Earth looking for him (because this is the MCU and he probably has an… » 9/17/14 5:22pm Wednesday 5:22pm

That's more or less it. Chirality (in this context) refers to the way that the molecules of the Amino Acid are arranged around its alpha carbon. The carbon is attached to 4 different groups: the amino group, the carboxylic acid group, the R-group/side chain, and a Hydrogen. » 9/16/14 11:34pm Tuesday 11:34pm