Figure 2.
Light causes a conformational change in the retinal molecule from the 11 cis-retinal to the trans-retinal. C - carbon, H - hydrogen, O - oxygen.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.