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Exam (elaborations)

BIOD 171 Microbiology Module 4 Exam Prep 2025 – Portage Learning Study Guide & Practice Questions

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Prepare for the BIOD 171 Module 4 Exam (Portage Learning, 2025) with this study guide. Covers microbial genetics, horizontal gene transfer, metabolism, growth control, antibiotics, and resistance. Includes practice-style questions with answers.

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Institution
BIOD 171 Microbiology Module 4
Course
BIOD 171 Microbiology Module 4

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BIOD 171 Microbiology Module 4 Exam |
2025 Actual Exam | Portage Learning, Exams of Bio
QUESTIONS AND WELL VERI
ANSWERS 2025



T/F: Growth media is best suited for distinguishing between tw o simila
c c c c c c c c c c




ANSWER---False




growth media is designed to simply support (and not restrict) microbia
c c c c c c c c c c




A researcher is asked to determine which of two vials contains
c c c c c c c c c c c




E coli and which contains salmonella. Knowing both are Gramnegative
c c c c c c c c c c




is capable of fermenting lactos e, which type of media would be best sui
c c c c c c c c c c c c




erential media c




What are the requirements of a fastidious microbe? ......answer
c c c c c c c cc




.....A fastidious microbe is an organism with complex growth re
c c c c c c c c c

,T/F: LB agar is classified as a non-selective, nondifferential media ---AN
c c c c c c c c c cc




The polysaccharidebased hardening agent added to LB media to produc
c c c c c c c c c




derived from what? ---ANSWER---Seaweed extract
c c cc c




Blood agar is which type of medium? Select all that apply:
c c c c c c c c c c




- Selective and Differential
c c c




- Enriched
c




- Differential
c




- Selective ---ANSWER---- Enriched
c cc c




- Differential
c




Match the following hemolytic class with its description of acti
c c c c c c c c c




vity: c




1. Alpha hemolysis
c c




2. Beta hemolysis
c c




3. Gamma hemolysis
c c

, Match the following hemolytic class with its description of acti
c c c c c c c c c




vity: c




1. Alpha hemolysis
c c




2. Beta hemolysis
c c




3. Gamma hemolysis
c c




A. No hemolytic activity
c c c




B. Incomplete hemolytic activity
c c c




C. Complete hemolytic activity ---ANSWER---1. Alpha hemolysi s-
c c c cc c c




Incomplete hemolytic activity (B)
c c c c




2. Beta hemolysis- Complete hemolytic activity (C)
c c c c c c




3. Gamma hemolysis- No hemolytic activity (A)
c c c c c c




Columbia CNA agar is most closely related to which media: ...... answer.
c c c c c c c c c cc
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BIOD 171 Microbiology Module 4
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BIOD 171 Microbiology Module 4

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Uploaded on
October 1, 2025
Number of pages
17
Written in
2025/2026
Type
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Questions & answers

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  • biod 171 module 4 exam 2025
  • portage learning microbiology exam
  • biod 171 practice questions
  • microbiology genetics and metabolism study guide
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