1. X (Two dots at top) 2. X (Dots all around except on right, only has one instead of two) 3. X (One on the right) 4. X (Dots all around except on left, only has on instead of two)
If you were a pharmaceutical researcher, why would you want to learn the three dimensional shapes of naturally occurring signaling molecules?
i understand that biological molecules can bind to each other forming the weak bonds and that they can mimic other molecules but I don't see the importance In the 3D shapes