14 Questions
What is responsible for inducing inflammation and septic shock when caused by certain gram-positive bacteria?
Lipoteichoic Acid
What is responsible for fever and shock caused by gram-negative bacteria?
Lipid A
What is the size of a bacterial ribosome?
70S
Where is the DNA located in a bacterial cell?
Nucleoid
What are plasmids in bacterial cells?
Circular DNA molecules carrying antimicrobial resistance genes
What is the main function of the cell membrane in bacteria?
Active transport of molecules into the cell
What is the function of the bacterial cell wall?
To provide structural support and maintain the characteristic shape of the cell
Which component is common to all bacteria except Mycoplasma species?
Peptidoglycan
How are bacteria classified by shape?
Spherical, rod-shaped, and helical
Which bacterial arrangement is characterized by grape-like clusters?
Grape-like clusters
Which of the following is a characteristic feature of eukaryotic cells?
Presence of a true nucleus
What is the main structural difference between prokaryotic and eukaryotic cells?
Arrangement of genetic material
Which type of microorganism has a rigid external cell wall containing peptidoglycan?
Bacteria
What is the distinguishing feature of eukaryotic cells' ribosomes?
Larger (80S) ribosomes
Test your knowledge about the components of the gram-positive cell wall, including teichoic acids and their structure. Explore the differences between gram-positive and gram-negative cell walls.
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