biology
cited
Care Hope College
Microbiology / Lab
Chap 3 and 4
Instructor: Dr. Gesner Cesar
Name: __________________________________________ Date: _______________________________
1-Part A
Definition
Staining, Smear, mordant, Negative staining,
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2- Which of the following places the steps of the Gram stain in the correct order?
1-Alcohol-acetone
2-Crystal violet
3-Safranin
4-Iodine
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3-What are the differences between gram positive and gram-negative bacteria?
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4- Which of the following terms best describes the cell in this figure?
A) peritrichous flagella
B) amphitrichous flagella
C) lophotrichous flagella
D) monotrichous flagellum
E) axial filament
5- Please complete the following bacterial figure.
6) Label the following parts of a Microscope.
7) Please label the shape of these bacteria.
A________________________________________B__________________________________
C________________________________________D__________________________________
E________________________________________F__________________________________
G________________________________________H__________________________________
8) Why the acid-fast bacteria stay red and the non-acid-fast turn blue?
Acid –Fast Staining Procedure
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10-How do the Mycobacterium and Nocardia react to acid-fast stain?
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11-Mention 3 special staining and Identify the following staining?
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(a)___________________________________________________________________________
(b)__________________________________________________________________________
( c )_____________________________________________________________________________
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