WGU D311 MICROBIOLOGY WITH LAB QUESTIONS & ANSWERS 202… EXAM
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
WGU D311 Microbiology
with Lab Questions &
Answers 2026-2027 |
Updated Exam Review
Verified Answers Exam Ready With Rationales
54 QUESTIONS
DOCUMENT OVERVIEW
This document contains 54 verified questions with correct answers provided, focusing on
microbiology concepts essential for understanding the subject. It serves as a
comprehensive resource for students preparing for exams, studying course material, or
seeking certification in microbiology. With direct access to accurate answers and
explanations, learners can effectively reinforce their knowledge and enhance their
academic performance.
CONTENTS
Microbial Genetics Q1–Q12
Disease Transmission and Epidemiology Q13–Q24
Infection and Pathogenicity Q25–Q36
Immunology and Vaccination Q37–Q44
Page 1
, Microbial Control Methods Q45–Q54
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 54
Which class of cells most often contain extrachromosomal DNA found in plasmids?
CORRECT ANSWER
Prokaryotic
Q2 QUESTION 2 OF 54
What is the significance of the molecule that makes up the bilayer formed in the plasma
membrane of most bacterial and eukaryotic cells?
CORRECT ANSWER
Phospholipids help maintain hydrophobic and hydrophilic environments.
Q3 QUESTION 3 OF 54
Why are archaea considered prokaryotic organisms?
CORRECT ANSWER
Their cells do not contain a nucleus.
Q4 QUESTION 4 OF 54
A technician has just performed a Gram stain but forgot to add the safranin.
What is the likely result of this when viewed microscopically?
Page 2
P R O F E S S I O N A L P R A C T I C E M AT E R I A L S
WGU D311 Microbiology
with Lab Questions &
Answers 2026-2027 |
Updated Exam Review
Verified Answers Exam Ready With Rationales
54 QUESTIONS
DOCUMENT OVERVIEW
This document contains 54 verified questions with correct answers provided, focusing on
microbiology concepts essential for understanding the subject. It serves as a
comprehensive resource for students preparing for exams, studying course material, or
seeking certification in microbiology. With direct access to accurate answers and
explanations, learners can effectively reinforce their knowledge and enhance their
academic performance.
CONTENTS
Microbial Genetics Q1–Q12
Disease Transmission and Epidemiology Q13–Q24
Infection and Pathogenicity Q25–Q36
Immunology and Vaccination Q37–Q44
Page 1
, Microbial Control Methods Q45–Q54
E XA M Q U EST I O N S
Q1 QUESTION 1 OF 54
Which class of cells most often contain extrachromosomal DNA found in plasmids?
CORRECT ANSWER
Prokaryotic
Q2 QUESTION 2 OF 54
What is the significance of the molecule that makes up the bilayer formed in the plasma
membrane of most bacterial and eukaryotic cells?
CORRECT ANSWER
Phospholipids help maintain hydrophobic and hydrophilic environments.
Q3 QUESTION 3 OF 54
Why are archaea considered prokaryotic organisms?
CORRECT ANSWER
Their cells do not contain a nucleus.
Q4 QUESTION 4 OF 54
A technician has just performed a Gram stain but forgot to add the safranin.
What is the likely result of this when viewed microscopically?
Page 2
