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Bacterial Capsules and Slime Layers Quiz

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Bacterial Capsules and Slime Layers Quiz

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Questions and Answers

What is the composition of slime layer?

Amino acids and nucleotides

Lipids and proteins

Nucleic acids and carbohydrates

Polysaccharide and polypeptide (correct)

What is the difference between capsule and slime layer?

Capsules are composed of polypeptide, slime layers are composed of polysaccharide

Capsules are organized, slime layers are disorganized and easy to remove (correct)

Capsules are disorganized, slime layers are organized

Capsules are easy to remove, slime layers are difficult to remove

What is glycocalyx?

A network of polysaccharide from the surface of a cell (correct)

A community of cells on a surface

A layer of protein or glycoprotein that acts as armor

A protective layer resistant to phagocytosis

What is biofilm?

A community of cells on a surface with a glycocalyx layer known as EPS Signup and view all the answers

What is the function of S-layers?

Acts as armor Signup and view all the answers

What is EPS made of?

Extracellular DNA, proteins, and polysaccharides Signup and view all the answers

What are the stages of biofilm formation?

Adherence, colonization, dispersal Signup and view all the answers

Which type of bacterial cell has an S-layer?

Gram-positive and Gram-negative Signup and view all the answers

What is the function of a capsule?

Protective layer resistant to phagocytosis Signup and view all the answers

What is the difference between a capsule and a slime layer in terms of structure?

Capsules are composed of polypeptide, slime layers are composed of polysaccharide Signup and view all the answers

What is the extracellular polymeric substance (EPS)?

A glycocalyx layer in biofilm made of extracellular DNA, proteins, and polysaccharides Signup and view all the answers

What is the function of a slime layer?

To adhere to the external side of a cell Signup and view all the answers

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Description

Test your knowledge on bacterial surface structures with this quiz on capsule and slime layers. Learn the differences between the two and the importance of their composition in bacterial survival and virulence. Understand the role of glycocalyx in bacterial adhesion and recognition. Take the quiz now to see how well you know these important bacterial structures!