Design a tool that mimics a bacterial structure

Design a tool that mimics a bacterial structure

Design a tool that mimics a bacterial structure

Subject: Biology    / General Biology
Question

Design a tool that mimics a bacterial structure (such as cell wall, flagellum, pilus, …). Explain how this tool can be used to better human life.

Draw an analogy between bacterial structural components and human body parts based on their functions. Please choose at least two bacterial structures.