BIO 171 Lab 3 Exam Microbiology
Due No due date Points 30 Questions 12 Time Limit 60 Minutes
Attempt History
Attempt Time Score
LATEST Attempt 1 21 minutes 28.25 out of 30
/
, Score for this quiz: 28.25 out of 30
Question 1 2..5 pts
List the four main steps used to prepare a WET mount, and indicate which
(if any) step is optional.
Your Answer:
1. Clean slide with 70% ethanol
2. Circle area on slide with a wax/hydrophobic pen
3. Apply organism to slide :
1. If from culture, use sterile loop to spread onto side
2. If from plate, use sterile loops to pick colonies and mix with a drop
of distilled water
4. View under microscope
1. Wet mount is ideal for viewing the motility of an organism. Do not
dry out.
No step is optional for wet mount.
1 – Clean slide
2 – Circle area on slide with wax/hydrophobic pen
3 – Apply organism to slide
4 – View under microscope
*Note: there are no optional steps in the wet mount.
Question 2 2..5 pts
/
Due No due date Points 30 Questions 12 Time Limit 60 Minutes
Attempt History
Attempt Time Score
LATEST Attempt 1 21 minutes 28.25 out of 30
/
, Score for this quiz: 28.25 out of 30
Question 1 2..5 pts
List the four main steps used to prepare a WET mount, and indicate which
(if any) step is optional.
Your Answer:
1. Clean slide with 70% ethanol
2. Circle area on slide with a wax/hydrophobic pen
3. Apply organism to slide :
1. If from culture, use sterile loop to spread onto side
2. If from plate, use sterile loops to pick colonies and mix with a drop
of distilled water
4. View under microscope
1. Wet mount is ideal for viewing the motility of an organism. Do not
dry out.
No step is optional for wet mount.
1 – Clean slide
2 – Circle area on slide with wax/hydrophobic pen
3 – Apply organism to slide
4 – View under microscope
*Note: there are no optional steps in the wet mount.
Question 2 2..5 pts
/
