Exam 1: BIO 2100 (Latest 2026/2027 Update) Microbiology for Health Professionals Questions with Verified Answers | 100% Correct| Graded A+ Galen.

Exam 1: BIO 2100 (Latest 2026/2027 Update)
Microbiology for Health Professionals Questions with
Verified Answers | 100% Correct| Graded A+ Galen.
Question:

What is microbiology??
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Answer:
The study of microorganisms
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Question:

What are microorganisms??
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Answer:
microscopic organisms smaller than 1mm
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Question:

Microorganisms are ?? i,- i,-




Answer:

ubiquitous




Question:

,what percentage of known microorganisms are pathogens??
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Answer:

3-10%




Question:

Define microbe diversity?
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Answer:

organisms that can adapt very quickly
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Question:

Define normal microbiota?
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Answer:
organisms that normally live on and in us. They out-compete invading
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organisms




Question:

define infectious disease?
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Answer:

transmitted from one person to another and causes damage to the host
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,Question:

define opportunistic pathogens?
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Answer:

organisms that are usually harmless but sometimes can cause disease
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depending on persons circumstance. i,- i,- i,-




Question:

define microbial intoxications?
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Answer:
when the microorganism produces a toxin of some sort.
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Question:
define a biofilm?
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Answer:
a thin, slimy film of bacteria that adheres to a solid surface.
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Question:

what does it mean to be photosynthetic??
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Answer:

, they use light energy to make cellular energy and getting carbon from
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CO2. They use CO2 in the air and put it into organic molecules.
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Question:
What produces the most oxygen on earth??
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Answer:

photosynthetic algae i,-




Question:

Which type of microscopy allows one to see internal structures of
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bacterial cells?? i,-




Answer:

Transmission electron microscopy i,- i,-




Question:

What structure associated with the condenser lens is used to control the
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amount of light that reaches a specimen in a compound light
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microscope??

Answer:

Iris diaphragm
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