Test Corrections Flashcards
1
Q
What is the light absorbing component of rhodopsin?
A
Retinol
2
Q
What are alpha helixes in proteins stabilised by?
A
Disulphide bridges
3
Q
What follows the absorption of a photon of light by rhodopsin in the of a mammal?
A
The G-protein transducing is activated.
The enzyme phosphodiesterase is activated.
Cyclic GMP is hydrolysed.
Ion channels in the membrane of the rod cell close