Answer:
Option C cell wall
Step-by-step explanation:
Cell wall is only found in plant cell. A cell wall is to provide structural support, filtering and also protection to plant cell. Since the cell from fingernail is not a plant cell and therefore the cell wall is not available. The rest of the organelles in the options such as mitochondria, cilia, ribosomes can be found in the cells from a tree leaft and a fingernail.