Self Quiz for The Adaptive Immune System: Ways That Antibodies Defend the Body - MAC Cytolysis

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. Discuss how antibodies defend the body by way of MAC cytolysis. (Include what classes or isotypes of immunoglobulins are involved, the role of the Fab portion of the antibody, the role, if any, of the Fc portion of the antibody, and the role of any complement proteins, if any, involved.) (ans)

2. Some Gram-negative bacteria attach sialic acid to the LPS O antigen of their outermembrane. Briefly describe how this may protect that Gram-negative bacterium from MAC cytolysis. (ans)

3. How does MAC affect viruses? (ans)

4. Multiple Choice (ans)


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.

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Last updated: Feb., 2020
Please send comments and inquiries to Dr. Gary Kaiser