Fact 1: Flagella help prokaryotes move.

Fact 2: Cilia and flagella are composed of microtubules.

Given the two facts above, answer the question "What help prokaryotes move?" with the following options: 
- maps
 - heat energy
 - microns
 - Energy
 - microbes
 - microtubules
 - sensory neurons
 - Chemical energy


 

      microtubules   