classify the following characteristics depending on if they are describing centrioles or cilia and flagella Thought to play a role in cell division Often aid in cellular movement Consist of nine pairs of microtubules surrounding two central microtubules Function as the major microtubule organizing center Hairlike projections that beat stiffly or undulate Typically exist in pairs at right angles to each other Short cylinders of microtubules arranged in nine sets of triplets Membrane-bound Centrioles Cilia and Flagella