Which of the following has largest size?

Step-by-step solution

The size of the given biological entities generally follows the order: Antibody Antibodies are protein molecules and are the smallest (around 10 to 15 nm). Viruses are infectious agents composed of genetic material and protein coats, typically ranging from 20 to 300 nm. Bacteria are prokaryotic cells, usually measuring between 1 to 10 m. Cancer cells are eukaryotic animal cells, which are the largest among the given options, typically ranging from 10 to 30 m or more. Therefore, a cancer cell has the largest size. A