Podcast
Questions and Answers
Which structure in the bacterial cell envelope is well organized, composed of polysaccharides, and provides protective advantages such as resistance to phagocytosis and desiccation?
Which structure in the bacterial cell envelope is well organized, composed of polysaccharides, and provides protective advantages such as resistance to phagocytosis and desiccation?
- Slime layer
- Capsule (correct)
- Glycocalyx
- S layer
What is the main function of the outermost layer in the bacterial cell envelope known as the Glycocalyx?
What is the main function of the outermost layer in the bacterial cell envelope known as the Glycocalyx?
- Facilitate motility
- Protection from desiccation
- Aid in attachment to surfaces (correct)
- Promote adhesion to host cells
Which layer in the bacterial cell envelope is diffuse, unorganized, and easily removed, potentially aiding in motility?
Which layer in the bacterial cell envelope is diffuse, unorganized, and easily removed, potentially aiding in motility?
- Capsule
- S layer
- Slime layer (correct)
- Glycocalyx
In Gram-negative bacteria, which component adheres to the outer membrane and provides protection from ion fluctuations, osmotic stress, and enzymes?
In Gram-negative bacteria, which component adheres to the outer membrane and provides protection from ion fluctuations, osmotic stress, and enzymes?
Which component of the bacterial cell envelope is associated with the peptidoglycan surface in Gram-positive bacteria and helps maintain shape and rigidity?
Which component of the bacterial cell envelope is associated with the peptidoglycan surface in Gram-positive bacteria and helps maintain shape and rigidity?
Which structure found in bacterial cell envelopes is characterized by regularly structured layers of protein or glycoprotein that self-assemble?
Which structure found in bacterial cell envelopes is characterized by regularly structured layers of protein or glycoprotein that self-assemble?
What is the potential use of S layers found in bacterial cell envelopes besides protecting from various stresses?
What is the potential use of S layers found in bacterial cell envelopes besides protecting from various stresses?
'S layers found in bacterial cell envelopes protect from which of the following stresses?
'S layers found in bacterial cell envelopes protect from which of the following stresses?
What is a distinguishing feature of capsules compared to slime layers in bacterial cell envelopes?
What is a distinguishing feature of capsules compared to slime layers in bacterial cell envelopes?
Which component of bacterial cell envelopes aid in attachment to solid surfaces by forming biofilms in plants and animals?
Which component of bacterial cell envelopes aid in attachment to solid surfaces by forming biofilms in plants and animals?
Flashcards
Capsule
Capsule
Well-organized structure made of polysaccharides providing protection against phagocytosis and desiccation.
Glycocalyx
Glycocalyx
Outermost layer in bacterial cell envelope that aids in attachment to surfaces.
Slime layer
Slime layer
Diffuse, unorganized layer in bacterial cell envelope, easily removed and aids in motility.
S layers
S layers
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S layers in Gram-positive
S layers in Gram-positive
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Nanotechnology application of S layers
Nanotechnology application of S layers
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S layers and chemical stress
S layers and chemical stress
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Distinguishing feature of capsules
Distinguishing feature of capsules
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Biofilm formation
Biofilm formation
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Outer membrane in Gram-negative
Outer membrane in Gram-negative
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