Self Quiz for Prokaryotic Cell Anatomy: The Gram-Negative Cell Wall

Study the material in this section and then write out the answers to these questions.
Do not just click on the answers and write them out. This will not test your understanding of this tutorial.

1. State what color Gram-negative bacteria appear after the Gram stain procedure. (ans)

2. Describe the structure and appearance of a Gram-negative cell wall. (ans)

3. State the beneficial function to the bacterium of the following components of the gram-negative cell wall:

a. peptidoglycan (ans)

b. outer membrane (ans)

c. adhesins (ans)

d. invasins (ans)

4. Briefly describe how the LPS (endotoxin) of the Gram-negative cell wall can promote inflammation. (ans)

5. Define epitope. (ans)

5. When Gram-negative bacteria enter the blood and cause septicemia, most of the harm to the body is due to a massive inflammatory response. What might explain this? (ans)

• RETURN TO "PROKARYOTIC CELL ANATOMY: THE GRAM-NEGATIVE CELL WALL"

• RETURN TO UNIT 1 TABLE OF CONTENTS

Gary E. Kaiser, Ph.D.
Professor of Microbiology
The Community College of Baltimore County, Catonsville Campus
This work is licensed under a Creative Commons Attribution 4.0 International License.
Based on a work The Grapes of Staph at https://cwoer.ccbcmd.edu/science/microbiology/index_gos.html.

Last updated: August, 2018
Please send comments and inquiries to Dr. Gary Kaiser