Self Quiz for Prokaryotic Cell Anatomy: The Peptidoglycan 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. A monomer of peptidoglycan consists of _____________, _____________, and _______________. (ans)
2. State the function of peptidoglycan in bacteria. (ans)
3. State the role of the following enzymes in peptidoglycan synthesis:
a. autolysins (ans)
b. bactoprenols (ans)
c. transpeptidases (ans)
d. transglycosylase (ans)
4. A penicillin is used to treat a bacterial infection. Describe the mechanism by which this antibiotic eventually kills the bacteria. (ans)
5. Gram-positive bacteria stain ____________ (ans) after Gram staining while Gram-negative bacteria stain _____________ (ans).
6. Bacteria normally live in a hypotonic environment. Since water flows into a cell in an environment that is hypotonic, why don't the bacteria burst from osmotic pressure? (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.
Last updated:July, 2018
Please send comments and inquiries to Dr.
Gary Kaiser