BIO 171 Lab Exam 4 Essential Microbiology (FALL 2022)

6/20/22, 11:45 PM L4: Lab Exam 4: Essential Microbiology with Lab-2021-Dalbey


L4: Lab Exam 4
Due No due date Points 30 Questions 12 Time Limit 60 Minutes




Attempt History
Attempt Time Score
LATEST Attempt 1 32 minutes 29.25 out of 30



Score for this quiz: 29.25 out of 30
Submitted Jun 15 at 2:34pm
This attempt took 32 minutes.


Question 1 pts



What type of media is best used to eliminate certain bacteria from within a
mixed culture?

Your Answer:

Selective media




Selective media




Question 2 pts


According the lab module, what type of agar plate is the most commonly
used nutrient agar? What color is it?


Your Answer:

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, 6/20/22, 11:45 PM L4: Lab Exam 4: Essential Microbiology with Lab-2021-Dalbey

LB agar; Light (or pale) yellow




LB agar; Light (or pale) yellow




Question 3 pts



Identify the selective and differential media known for its metallic sheen
shown below.




Your Answer:

EMB (Eosin Methylene Blue)




EMB (Eosin Methylene Blue)




Question 4 pts


What type of bacteria does Sorbitol MacConkey agar select for?

Your Answer:
This study source was downloaded by 100000847426977 from CourseHero.com on 07-11-2022 03:37:40 GMT -05:00

https://portagelearning.instructure.com/courses/896/quizzes/23192?module_item_id=85761 2/7
https://www.coursehero.com/file/156202387/L4-Lab-Exam-4-Essential-Microbiology-with-Lab-2021-Dalbeypdf/