Bones in your skull (cranial and facial bones), ears, neck, vertebrae, sacrum and tailbone and ribcage (sternum and ribs).
Both the extremities, flagella and cilia, are alike in that they help the cell in this mobilization. Thus, the answer to this item is letter "C. they assist with movement". With their appearances, both are hair - like structures but flagella are longer compared to the cilia.
DNA is being used as a template to make a molecule of mRNA.
