The first component of a signal transduction pathway is a(n)
A) paracrine molecule.
B) responder.
C) receptor.
D) hormone.
E) effector molecule.

Question

Quizplus · Accepted Answer

The first component of a signal transduction pathway is the receptor, which receives signals from the environment or other cells. The receptor then triggers a series of events that activate downstream components, leading to a cellular response.

The First Component of a Signal Transduction Pathway Is A(n)