1
Mycobacterium smegmatis
Acid fast positive
or
Acid fast negative

Positive
2
Staphylococcus epidermis
Acid fast positive
or
Acid fast negative

Negative
3
Bacillus cereus endospore stain

4
Bacillus cereus gram stain
positive
or
negative

Positive
5
Escherichia coli gram stain
positive
or
negative

negative
6
Micrococcus luteus gram stain
positive
or
negative

positive
7
Rhodospirillum rubrun gram stain
positive
or
negative

negative
8
Micrococcus luteus negative stain

9
Bacillus cereus negative stain

10
Rhodospirillum rubrum negative stain

11
Bacillus cereus simple stain with crystal violet

12
Micrococcus luteus simple stain with methylene blue

13
Rhodospirillum rubrum simple stain with safranin
