10 Questions
What is a main component of the Gram-negative cell wall outer membrane?
Lipopolysaccharides
What is the function of porins in the Gram-negative cell wall outer membrane?
To form channels for molecule passage
What is the effect of the strong negative charge of the Gram-negative cell wall outer membrane on phagocytosis?
It prevents phagocytosis
What is the primary function of the Gram-negative cell wall outer membrane?
To regulate the passage of molecules
What is the purpose of the outer membrane in the Gram-negative cell wall?
To provide a barrier to certain antibiotics and digestive enzymes
What is the result of the reaction between crystal violet and iodine in the Gram stain mechanism?
The formation of large crystals that cannot escape the cell wall
What is the difference between the Gram-positive and Gram-negative cell walls in terms of the Gram stain mechanism?
The structure of the cell wall
What is the purpose of the Gram stain mechanism?
To differentiate between Gram-positive and Gram-negative bacteria
What is the function of the periplasmic space in the Gram-negative cell wall?
To facilitate the passage of molecules
What is the effect of the outer membrane on the action of lysozyme?
It prevents the action of lysozyme
Test your knowledge on the cell wall, its structure, and functions in bacterial and eukaryotic cells. Learn about its importance in maintaining cell shape, protecting the cell from environmental changes, and more!
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