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brom cresol purple
indicator in MIO media that tests for decarboxylation of ornithine
positive result is a lavender-purple color
A
hydrogen peroxide
H2O2
used to test for organism's possession of catalase
copious amounts of bubbles are evidence for release of O2 as peroxide is broken down
2H2O2 + O2
iodine
indicates the presence or absence of starch
agar
solidifying agent purified from marine algae
colonial morphology
size, color, shape, elevation, consistency, ...
Microbiology 250 Lab Practical
Last document update:
ago
brom cresol purple
indicator in MIO media that tests for decarboxylation of ornithine
positive result is a lavender-purple color
A
hydrogen peroxide
H2O2
used to test for organism's possession of catalase
copious amounts of bubbles are evidence for release of O2 as peroxide is broken down
2H2O2 + O2
iodine
indicates the presence or absence of starch
agar
solidifying agent purified from marine algae
colonial morphology
size, color, shape, elevation, consistency, ...
BIO 250 (Microbiology) Final Exam Questions With 100% Correct Answers | Latest Update | Graded A+ | STRAIGHTERLINE
Exam (elaborations) • 22
pages
• 2023
What microbial process was responsible for changing Earth’s atmosphere from
one without oxygen to one with oxygen?
Select one:
a. anaerobic respiration
b. decomposition
c. oxygenic photosynthesis
d. temperature regulation
In the nitrogen cycle, which of the following phases involves the release of nitrogen
as
into the Earth’s atmosphere?
Select one:
a. ammonication
b. denitrication
c. nitrication
d. nitrogen xation
Final Exam
2/21
Question 3
Incorrect
0.00 points out
of 5...
BIO 250 (Microbiology) Final Exam Questions With 100% Correct Answers | Latest Update | Graded A+ | STRAIGHTERLINE
Last document update:
ago
What microbial process was responsible for changing Earth’s atmosphere from
one without oxygen to one with oxygen?
Select one:
a. anaerobic respiration
b. decomposition
c. oxygenic photosynthesis
d. temperature regulation
In the nitrogen cycle, which of the following phases involves the release of nitrogen
as
into the Earth’s atmosphere?
Select one:
a. ammonication
b. denitrication
c. nitrication
d. nitrogen xation
Final Exam
2/21
Question 3
Incorrect
0.00 points out
of 5...
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