Fact 1: Flagella help prokaryotes move.

Fact 2: Cilia and flagella are composed of microtubules.

Given the two facts above, answer the question "Microtubules help prokaryotes _." with the following options: 
- live
 - dense
 - store
 - grow
 - work
 - move
 - growth
 - ferns


 

      move   