BIOD 171 Module 5 Exam Questions and 100 % Correct Answers Latest 2025: Essential Microbiology - Portage Learning

BIOD 171 Module 5 Exam Questions and 100 % Correct Answers Latest2025:
Essential Microbiology - Portage Learning


Score for this quiz: 89 out of 100
Submitted Jul 19 at 4pm
This attempt took 31 minutes.


Question 1 pts




Question 2 pts



List at least 3 observations a researcher would be sure to note while assessing an unknown microbial
sample.


Your Answer:

1. Morphologic (shape, size)

2. Motility

3. Color change, such as agar color change

4. Signs of chemical reactions, gas production or fermentation
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, A lab researcher would be certain to note:

1. Size and shape
2. Any observable motility
3. Gram status (positive or negative)
4. The presence of any chemical reactions
5. Changes in color localized to the organism or the surrounding media
6. Capture (or draw) images of any of the characteristics described above




Question 3 pts




Question 4 pts
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, Question 5 pts




Question 6 pts



Streptococcus is most often streaked onto:



Chocolate agar


Blood agar


Strep is often cultured on Blood agar plates to determine its hemolytic properties, which aids in the
classification (and differentiation) process.



Spirit Blue agar



EMB agar




Question 7 pts



True or False. The Lancefield groups are used to subdivide antigenic groups of gamma-hemolytic
Streptococcus.



True


False


The Lancefield groupings are used to subdivide beta-hemolytic Strep.
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