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Gram-Positive Cell Wall Components Quiz

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Questions and Answers

What is responsible for inducing inflammation and septic shock when caused by certain gram-positive bacteria?

Lipopolysaccharide (LPS)

Keto-deoxyoctulonate (KDO)

Lipoteichoic Acid (correct)

Ribitol phosphate

What is responsible for fever and shock caused by gram-negative bacteria?

Core polysaccharide

Lipid A (correct)

Phospholipid

Outer polysaccharide

What is the size of a bacterial ribosome?

30S

60S

50S

70S (correct)

Where is the DNA located in a bacterial cell?

Nucleoid Signup and view all the answers

What are plasmids in bacterial cells?

Circular DNA molecules carrying antimicrobial resistance genes Signup and view all the answers

What is the main function of the cell membrane in bacteria?

Active transport of molecules into the cell Signup and view all the answers

What is the function of the bacterial cell wall?

To provide structural support and maintain the characteristic shape of the cell Signup and view all the answers

Which component is common to all bacteria except Mycoplasma species?

Peptidoglycan Signup and view all the answers

How are bacteria classified by shape?

Spherical, rod-shaped, and helical Signup and view all the answers

Which bacterial arrangement is characterized by grape-like clusters?

Grape-like clusters Signup and view all the answers

Which of the following is a characteristic feature of eukaryotic cells?

Presence of a true nucleus Signup and view all the answers

What is the main structural difference between prokaryotic and eukaryotic cells?

Arrangement of genetic material Signup and view all the answers

Which type of microorganism has a rigid external cell wall containing peptidoglycan?

Bacteria Signup and view all the answers

What is the distinguishing feature of eukaryotic cells' ribosomes?

Larger (80S) ribosomes Signup and view all the answers