Final answer:
The chemical change enabling cellular function is cellular respiration - a catabolic process where energy in the form of ATP is produced for the cell's use.
Step-by-step explanation:
The chemical change that allows cells to move and function is cellular respiration. This process involves metabolic pathways where cells convert nutrients into energy, which is then used to power cellular activities. Cellular respiration is a catabolic reaction; it breaks down glucose to release energy in the form of ATP (adenosine triphosphate). This energy is essential for various cellular processes, including movement, synthesis of compounds, and maintenance of homeostasis.
Contrarily, photosynthesis is a process unique to plants, algae, and some bacteria, enabling them to convert light energy into chemical energy. Oxidation refers to a chemical reaction involving the loss of electrons, not specifically a process by which cells obtain energy. Lastly, metabolism encompasses all chemical processes in the body, including both catabolic and anabolic reactions.
Therefore, the correct answer to the question is c) Cellular respiration.