Unit 5: #3 Stains

Which structure is letter A?

• Cytoplasm

• plasma membrane

• periplasmic space

• peptidoglycan

• outer membrane

Which structure is letter B?

• Cytoplasm

• plasma membrane

• periplasmic space

• peptidoglycan

• outer membrane

Which structure is letter C?

• Cytoplasm

• plasma membrane

• periplasmic space

• peptidoglycan

• outer membrane

Which structure is letter D?

• Cytoplasm

• plasma membrane

• periplasmic space

• peptidoglycan

• outer membrane

Which structure is letter E?

• Cytoplasm

• plasma membrane

• periplasmic space

• peptidoglycan

• outer membrane

Staining with one dye (mordant may be used)

• Simple Stain

• Differential stain

• Special stain

Used to distinguish between specimens

• Simple Stain

• Differential stain

• Special stain

Distinguish parts of cells

• Simple Stain

• Differential stain

• Special stain

Which part of the cell gives gram positive bacteria the thick outer wall?

• peptidoglycan

• peptoglycose

• phospholipids

• fattyacids

In which type of cell does peptidoglycan make up 90% of the cell wall?g

• gram positive

• gram negative