Straighterline Microbiology Midterm
Questions And Answers With Verified
Solutions Already Passed (GRADED A+)
An organism with a temperature growth range of 45°C to 60°C would be called
a(n) ______.
a. extremophile
b. thermophile
c. psychrophile
d. facultative psychrophile
e. thermoduric microbe - ANSWER✔✔ b. thermophile
An organism that cannot tolerate an oxygen environment is a(n) ______.
a. aerobe
b. obligate aerobe
c. facultative anaerobe
d. microaerophile
e. obligate anaerobe - ANSWER✔✔ e. obligate anaerobe
Which of the following is a unique characteristic of viruses that distinguishes them
from the other major groups of microorganisms?
a. Cause human disease
b. Lack a nucleus
, c. Cannot be seen without a microscope
d. Contain genetic material
e. Lack cell structure - ANSWER✔✔ e. Lack cell structure
All of the following are examples of different types of microbiological media
except ______.
a. broth
b. enriched
c. agar
d. Petri dish
e. semisolid - ANSWER✔✔ d. Petri dish
Viral classification has changed over the years and while they are given genus
names, the use of species names has not been widely accepted. This is because
a. viruses are not organisms.
b. viruses change over time making species characteristics difficult to stabilize.
c. viruses that could be classified into a single species may have many, but not all,
properties in common.
d. All of the above are arguments against using species designations for viruses. -
ANSWER✔✔ d. All of the above are arguments against using species designations
for viruses.
Who invented the first crude microscope by grinding glass?
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