As you can clearly see [organic-chemistry] is a tag that I have been watching. However the first question in the image doesn't show up as watched. This behaviour is not seen on other sites which is confusing. Does anyone else have the same problem? I use Chrome Version 91.0.4472.77.

I'm studying for my MCAT currently and I stumbled upon this question. It gives the structure of a folic acid molecule and asks what functional groups can be found within the molecule. I understand that there is an amine, amide, imine, and carboxylic acid group, but I don't understand why the benz...