Signals from the surface receptor are transduced to the appropriate response within the cell via intermediate regulatory proteins that are activated by binding guanine nucleotides;hence,they are often termed ______ proteins.

Question

Quizplus · Accepted Answer

The intermediate regulatory proteins that are activated by binding guanine nucleotides are called G proteins, specifically GTP-binding proteins. Therefore, the best choice is E, "G."

Signals from the Surface Receptor Are Transduced to the Appropriate