The conformational change in opsin, triggered by the absorption of light by retinal, activates a G protein. What do G proteins do in the cell?
A)G proteins contribute to signal pathways.
B)G proteins influence the activity of other proteins and enzymes in a cell.
C)G proteins can trigger the synthesis of second messengers.
D)All these choices are correct.

Question

Quizplus · Accepted Answer

G proteins contribute to signal pathways, influence the activity of other proteins and enzymes in a cell, and can trigger the synthesis of second messengers. Therefore, all the choices are correct.

The Conformational Change in Opsin, Triggered by the Absorption of Light