Final answer:
The correct spelling for the part of a cell with specialized functions is (Option c)'Organelle'. These structures are crucial in eukaryotic cell operation, performing tasks similar to body organs.
Step-by-step explanation:
The correctly spelled word meaning part of a cell having specialized functions is C. Organelle. In a eukaryotic cell, organelles are membrane-bound compartments with highly specialized functions, comparable to how organs in your body operate. These organelles perform essential roles, from energy production in mitochondria to protein synthesis in the ribosomes. The Golgi apparatus, for instance, is responsible for modifying, sorting, and packaging proteins and lipids for secretion or use within the cell.