Chapter 3 | Body, Meet World
Helpful videos
A (detailed) look at the G-protein coupled receptor
This video offers an introduction to cell signaling with G-proteins and the GPCR. It also illustrates how the receptor is embedded in the cell layer.
A further look at ion pumps and channels
This video is further illustration of some of the types of proteins mentioned in the chapter.
A brief introduction to the evolution of the eye
The video also mentions important concepts touched on in the chapter, such as eyespots, and pinhole eyes.
A look at ”heat vision” in pit vipers
Do note that the visualization of the (larger) world in infrared is not what the snakes see. In reality, these snakes can only detect prey this way at short range.