Of the provided choices, "Transmission of sensory signals" is the life process that originates from electrochemical principles. This is due to the following:
- Neurons, the conduits for sensory signal transmission, employ electrical impulses for communication.
- This transmission involves the translocation of ions, specifically sodium (Na+) and potassium (K+), across neuronal membranes, thereby establishing an electrical potential difference.
- The progression of an action potential, which constitutes the electrical signal, is contingent upon these ionic movements, classifying the process as electrochemical.
Therefore, the accurate selection is (C): Transmission of sensory signals