If a Signal Transduction Pathway Involves Amplification of the Signal

Multiple Choice

If a signal transduction pathway involves amplification of the signal by a factor of 10 at each step, which set of numbers represents the sequence of molecules activated during a single signaling event?

A) 1; 2; 20; 500; 10,000
B) 1; 10; 100; 1,000
C) 10; 1,000; 100,000
D) 1; 10; 10¹⁰; 10¹⁰⁰
E) 5; 50; 500; 5,000