Bacteria Gram Stain

Which part of a bacteria cell wall "holds" the stain? 

• plasma membrane
• fimbriae
• peptidoglycan
• pilus

These bacteria are

• gram positive
• gram negative
• nonliving
• viral

These bacteria are

• nonliving
• gram positive
• gram negative
• gram positive and gram negative

These bacteria are

• gram positive and negative
• gram positive
• gram negative
• viral

?

• coccus
• bacillus
• spirilla
• none of these

?

• coccus
• bacillus
• spirilla
• none of these

?

• gram positive
• gram negative

?

• coccus
• bacillus
• spirilla
• none of these

?

• gram positive
• gram negative
• gram cracker
• grams of sodium chloride

Which is applied first in gram staining?

• alcohol
• grams iodine
• crystal violet
• safranin