3.1.5-3.1.6 Bacteria & Gram-staining

Front

What is the shape of bacteria that are round?

Back

Coccus

Front

What is the term for bacteria that are rod-shaped?

Back

Bacillus

Front

What is the term for bacteria that are spiral-shaped?

Back

Spirillum

Front

What does it mean if a bacteria is gram-negative?

Back

It has a thin peptidoglycan layer and does not retain the crystal violet stain.

Front

What does it mean if a bacteria is gram-positive?

Back

It has a thick peptidoglycan layer and retains the crystal violet stain.

Front

What prefix is used for bacteria that form clusters?

Back

Staphylo-

Front

What prefix is used for bacteria that form chains?

Back

Strepto-

Front

What is the primary stain used in gram staining?

Back

Crystal violet

Front

What is the counterstain used in gram staining?

Back

Safranin

Front

What is the purpose of gram staining?

Back

To classify bacteria into two groups based on their cell wall composition.