3 ms·

Thanks for the info! Apologies if I came across as patronizing. EDIT> cis/trans retinal -- should have remembered that

• kortex 7y ago
  No problem. At the time I was particularly sloppy with my terminology and that didn't help discourse much.
  • JabavuAdams 7y ago
    Is there some way I can contact you? I'm curious to learn more about how you know/learned chemistry. Contact details are in my profile. Thanks.