Bacteria Structure and Gram Stain Flashcardz

Front

What is the role of iodine in the Gram staining process?

Back

To fix the crystal violet stain.

Front

Identify the structure that allows bacteria to move in its environment.

Back

Flagella.

Front

What type of bacteria is shown if it is Gram-positive and rod-shaped?

Back

Gram + bacillus.

Front

True or false: the genes on bacterial plasmids are not vital for bacterial function.

Back

True.

Front

How would you classify pink rod-shaped bacteria that mostly are in pairs after a Gram stain?

Back

Gram negative diplo bacillus.

Front

What is the primary stain used in the Gram staining process?

Back

Crystal violet.

Front

What color do Gram-positive bacteria appear after Gram staining?

Back

Purple.

Front

What color do Gram-negative bacteria appear after Gram staining?

Back

Pink.

Front

What is the function of the cell wall in bacteria?

Back

To provide structure and protection.

Front

What is the difference between Gram-positive and Gram-negative bacteria in terms of cell wall structure?

Back

Gram-positive bacteria have a thick peptidoglycan layer, while Gram-negative bacteria have a thin peptidoglycan layer and an outer membrane.