Cell signaling pathways evolved ____.
A) thousands of years ago
B) in multicellular organisms
C) hundreds of millions of years ago
D) tens of billions of years ago
E) 1 million years ago

Question

Quizplus · Accepted Answer

Cell signaling pathways evolved hundreds of millions of years ago, predating the emergence of multicellular life forms and playing a crucial role in the development and functioning of complex organisms.

Cell Signaling Pathways Evolved ____