1
Microbiology 275 Midterm
Questions and Answers (100%
Correct Answers) Already Graded A+
specialized area of biology that deals with living things
ordinarily too small to be seen without magnification Ans:
© 2026 Assignment
microbiology
examples of organisms studied by microbiology Ans:
Guru01 - Stuvia
microorganisms
Expert
microbes
germs
viruses
agents
bugs
major groups of microorganisms Ans: bacteria
algae
protozoa
helminths (worms)
fungi
, 2
viruses
noncellular, parasitic, protein-coated genetic elements
dependent on their infected host Ans: viruses
medical microbiology Ans: deals with microbes that cause
diseases in animals and humans
public health microbiology and epidemiology Ans: monitor
and control spread of diseases in communities
© 2026 Assignment
immunology Ans: studies the web of protective substances
and cells produced in response to infection - like vaccination,
Guru01 - Stuvia
blood testing and allergy
Expert
industrial microbiology Ans: safeguards our food and water
and includes biotechnology and metabolism like in gene
therapy
agricultural microbiology Ans: concerned with relationships
between microbes and domesticated plants and animals
environmental microbiology Ans: study effect of microbes on
earth's habitats
eukaroytes Ans: contain a true nucleus
prokaryotes Ans: contain no true nucleus
EX: bacteria and archaea
T or F: microbes are deeply involved in the flow of energy and
food through the earth's ecosystems Ans: true
, 3
decomposition Ans: breakdown of dead matter and wastes
T or F: microscopic organisms produce more oxygen than
plants Ans: true
biotechnology Ans: manipulation of microorganisms to make
products in an industrial setting
EX: specialized bacteria mining precious metals or clean up
human-created contamination
© 2026 Assignment
genetic engineering Ans: manipulates genetics of microbes,
plants and animals for the purpose of creating new products
Guru01 - Stuvia
and genetically modified organisms
Expert
recombinant DNA technology Ans: makes it possible to
transfer genetic material from one organism to anther and
deliberately alter DNA
--bacteria and fungi were some of the first organisms to be
genetically engineered
bioremediation Ans: involves the introduction of microbes
into the environment to restore stability or to clean up toxic
pollutants
pathogen Ans: any agent such as a virus, bacterium, fungus,
protozoan, or helminth that causes a disease
--nearly 2,00 different ones
T or F: certain diseases once considered noninfectious are now
found to be caused by microbes Ans: true
T or F: all microbes cause disease Ans: false
, 4
characteristics of bacteria and archaeal cells Ans: 10X smaller
than eukaryotic cells
lack organelles
all are single-celled
all are microorganisms
lack a nuclues
© 2026 Assignment
harbored and nourished by the host and cause damage and
Guru01 - Stuvia
disease in the host Ans: parasites
Expert
who performed the first observations under the microscope
Ans: Robert Hooke
the 4 categories of the Century of Biology Ans: discovery of
restriction enzymes
the invention of the PCR technique
the importance of biofilms in infectious diseases
the importance of small RNAs
general approach by scientists to explain a phenomenon Ans:
scientific method
tentative explanation to account for what has been observed or
measured Ans: hypothesis
T or F: if experimentation supports hypothesis, it is not
immediately accepted as fact Ans: true
Microbiology 275 Midterm
Questions and Answers (100%
Correct Answers) Already Graded A+
specialized area of biology that deals with living things
ordinarily too small to be seen without magnification Ans:
© 2026 Assignment
microbiology
examples of organisms studied by microbiology Ans:
Guru01 - Stuvia
microorganisms
Expert
microbes
germs
viruses
agents
bugs
major groups of microorganisms Ans: bacteria
algae
protozoa
helminths (worms)
fungi
, 2
viruses
noncellular, parasitic, protein-coated genetic elements
dependent on their infected host Ans: viruses
medical microbiology Ans: deals with microbes that cause
diseases in animals and humans
public health microbiology and epidemiology Ans: monitor
and control spread of diseases in communities
© 2026 Assignment
immunology Ans: studies the web of protective substances
and cells produced in response to infection - like vaccination,
Guru01 - Stuvia
blood testing and allergy
Expert
industrial microbiology Ans: safeguards our food and water
and includes biotechnology and metabolism like in gene
therapy
agricultural microbiology Ans: concerned with relationships
between microbes and domesticated plants and animals
environmental microbiology Ans: study effect of microbes on
earth's habitats
eukaroytes Ans: contain a true nucleus
prokaryotes Ans: contain no true nucleus
EX: bacteria and archaea
T or F: microbes are deeply involved in the flow of energy and
food through the earth's ecosystems Ans: true
, 3
decomposition Ans: breakdown of dead matter and wastes
T or F: microscopic organisms produce more oxygen than
plants Ans: true
biotechnology Ans: manipulation of microorganisms to make
products in an industrial setting
EX: specialized bacteria mining precious metals or clean up
human-created contamination
© 2026 Assignment
genetic engineering Ans: manipulates genetics of microbes,
plants and animals for the purpose of creating new products
Guru01 - Stuvia
and genetically modified organisms
Expert
recombinant DNA technology Ans: makes it possible to
transfer genetic material from one organism to anther and
deliberately alter DNA
--bacteria and fungi were some of the first organisms to be
genetically engineered
bioremediation Ans: involves the introduction of microbes
into the environment to restore stability or to clean up toxic
pollutants
pathogen Ans: any agent such as a virus, bacterium, fungus,
protozoan, or helminth that causes a disease
--nearly 2,00 different ones
T or F: certain diseases once considered noninfectious are now
found to be caused by microbes Ans: true
T or F: all microbes cause disease Ans: false
, 4
characteristics of bacteria and archaeal cells Ans: 10X smaller
than eukaryotic cells
lack organelles
all are single-celled
all are microorganisms
lack a nuclues
© 2026 Assignment
harbored and nourished by the host and cause damage and
Guru01 - Stuvia
disease in the host Ans: parasites
Expert
who performed the first observations under the microscope
Ans: Robert Hooke
the 4 categories of the Century of Biology Ans: discovery of
restriction enzymes
the invention of the PCR technique
the importance of biofilms in infectious diseases
the importance of small RNAs
general approach by scientists to explain a phenomenon Ans:
scientific method
tentative explanation to account for what has been observed or
measured Ans: hypothesis
T or F: if experimentation supports hypothesis, it is not
immediately accepted as fact Ans: true
