A Deer Smells a Predator as It Passes by and Quickly

Multiple Choice

A deer smells a predator as it passes by and quickly bounds to safety.Which sequence represents the correct order of steps in the signal transduction pathway that is involved?

A) Receptor binds signal, conformational change occurs in signal, signal travels to target cell, signal is transduced within cell, effects from signal transduction occur
B) Signal travels to target cell, receptor binds signal, conformational change occurs in receptor, signal is transduced within cell, effects from signal transduction occur
C) Signal travels to target cell, conformational change occurs in signal, signal is transduced within cell, effects from signal transduction occur
D) Signal is transduced within cell, signal causes conformational change in receptor, cell responds to signal, effects from signal transduction occur
E) Cell responds to signal, signal travels to target cell, signal is transduced within cell, effects from signal transduction occur