In this diagram of G-protein-coupled receptor activation, the alpha, beta, and gamma subunits are shown with distinct relationships to the plasma membrane. After exchange of GDP with GTP on the ...

There are three main types - alpha, beta or gamma. JON CHASE:'Gamma radiation is pure energy, 'but alpha and beta radiation exist in forms of subatomic particles. 'In this case we are looking at ...

After emitting an alpha or beta particle, the nucleus will often still be ‘excited’ and will need to lose energy. It does this by emitting a high energy electromagnetic wave called a gamma ray.