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Bacterial Structure Types

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Questions and Answers

What is the difference between spirilla and spirochetes?

Spirilla and spirochetes both contain flagella
Spirilla contain axial fibrils while spirochetes contain flagella
Spirilla contain flagella while spirochetes contain axial fibrils (correct)
Spirilla and spirochetes both contain axial fibrils

What is the difference between bacilli and coccobacilli?

Coccobacilli are found in chains and bacilli are found in clusters.
Coccobacilli are curved like commas and bacilli are straight
Coccobacilli are very short rods and bacilli are longer (correct)
Coccobacilli are gram-positive and bacilli are gram-negative

What is the function of pili/fimbriae?

Provide motility
Adhere to surfaces (correct)
Protect the cell from phagocytosis
Transfer DNA from one cell to another

What is the difference between monotrichous and lophotrichous flagella?

Monotrichous has one flagellum and lophotrichous has a cluster of flagella at one or both ends (D) Signup and view all the answers

What is the function of pili/fimbriae in bacteria?

To adhere to surfaces and prevent phagocytosis (C) Signup and view all the answers

What is the difference between bacilli and streptobacilli?

Bacilli are short rods while streptobacilli are long rods (C) Signup and view all the answers

What is the difference between monotrichous and peritrichous flagella?

Monotrichous have one flagellum while peritrichous have multiple (A) Signup and view all the answers

What is the function of the hook in flagella?

To link the filament to the body (C) Signup and view all the answers

What is the difference between cocci and coccobacilli?

Cocci are spherical while coccobacilli are short rods (D) Signup and view all the answers

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