Relaying a message from a membrane receptor to a molecule that performs a specific function within a cell occurs when
A) a signaling molecule binds to a protein that extends to the outside of the cell.
B) a protein receptor on the interior of the membrane becomes bound by a signaling molecule.
C) the extracellular matrix is moved to the inside of the cell.
D) glycoproteins are recognized by other cells.

Question

Quizplus · Accepted Answer

When a signaling molecule binds to a protein receptor that extends to the outside of the cell, it initiates a signal transduction pathway that relays the message to molecules inside the cell to perform specific functions.

Relaying a Message from a Membrane Receptor to a Molecule