| Unit | Page | Brief description | Worksheet/Questions | Aspects |
|---|---|---|---|---|
| A1 | Intro to opsin | Basics of opsin and retinal | ||
| A3 | Inside, outside | Hydrophobic sidechains exposed in the trans-membrane region | hydrophobicity, structure | |
| B2 | Red-Green | Differences in amino acid sequenced between human 'red' and 'green' opsins | Three changes make all the difference. Others have occurred | |
| B4 | Deep Blue | Mammalian mammals that dive deep have adapted blue opsin | ||
| B6 | Seeing UV | Single change lets birds do it | ||
| A2 | Retinal and Opsin | A more chemical look | Schiff base lysine | |
| B8 | Cichlid fishes | Coloration and opsins appear to be co-evolving and linked to speciation | ||
| C1 | Signaling | Communicating what opsin 'saw' | GPCR and mutations |