Read the following chapters in the Microbiology etext available at https://www.boundless.com/microbiology/textbooks/boundless-microbiology-textbook/
Chapter 1: Introduction to Microbiology
Section 2: Microbes and the World
Chapter 4: Bacteria, Archaea, and Eukaryote Cell Structure
Section 1: Overview of Prokaryotic and Eukaryotic Cells
Section 4: Cell Walls of Prokaryotes
Section 7: Internal Structures of Eukaryotic Cells
Section 8: Other Eukaryotic Components
Choose a resident microbe from the FAQ: Human Microbiome document that you viewed.
Describe its symbiotic role within our microbiome. Do a research to determine whether this microbe can become pathogenic. If so, describe the conditions under which this microbe assumes this opportunistic role. Be sure to cite your references and include a references section.