Course G282L/MCB2289L Section 07 Introduction to Microbiology Lab - Online - 2018
Spring Quarter
Test Module 09 LearnSmart Lab Quiz
Started 6/3/18 8:56 PM
Submitted 6/3/18 9:04 PM
Status Completed
Attempt Score 15 out of 15 points
Time Elapsed 8 minutes out of 30 minutes
Results All Answers, Submitted Answers, Correct Answers, Feedback, Incorrectly
Displayed Answered Questions
Question 1
1 out of 1 points
When performing the urease test, which of the following color changes
is expected if the organism is positive for urease production?
Selected
Answer:
The agar changes from yellow to
m
er as
bright pink
co
Answers:
eH w
The agar changes from yellow to
o.
bright pink
rs e
ou urc
The agar changes from red to
yellow
The agar changes from blue to
o
green
aC s
The agar changes from colorless to
vi y re
black
Question 2
1 out of 1 points
ed d
The oxidase test determines the presence of cytochrome oxidase
ar stu
enzyme. This enzymes functions as part of _____________
Selected
Answer: The electron transport
is
chain
Th
Answers:
The electron transport
chain
sh
Glycolysis
The citric acid cycle
Fermentation
Question 3
1 out of 1 points
This study source was downloaded by 100000805705997 from CourseHero.com on 05-30-2021 19:38:25 GMT -05:00
, Genotypic identification methods examine the DNA sequence of an
organism
Selected Tru
Answer: e
Answers: Tru
e
False
Question 4
1 out of 1 points
Which of the following would be most valuable to confirm the
identification of microorganisms isolated during a food poisoning
outbreak?
Selected
Answer: Identification of microorganisms using microscopic,
cultural, and physiological characteristics
m
er as
Answers: Growth on agar plates to identify colony morphology
co
eH w
Grain stain to view cellular morphology
o.
rs e
Identification of microorganisms using microscopic,
ou urc
cultural, and physiological characteristics
Question 5
1 out of 1 points
o
Which of the following are examples of physiological (biochemical)
aC s
characteristics used in the bacterial identification process?
vi y re
Selected
Answer:
Presence of a specific
enzyme
ed d
Answers: Gram stain
ar stu
Cell shape
is
Presence of a specific
enzyme
Th
Growth in a nutrient
broth
sh
Question 6
1 out of 1 points
Which methods used in bacterial identification usually require
culturing of the unknown bacteria?
Selected
Answer:
This study source was downloaded by 100000805705997 from CourseHero.com on 05-30-2021 19:38:25 GMT -05:00
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