Wilson Microbiology 2400 Exam 1
Chapter 1-6 & 19 All HW Questions
with correct answers 100% 2025
Which entities are acellular? - Correct Answer Prions, Viroids, Viruses
Which entities are included within the microorganisms? - Correct Answer Organisms and acellular
biological entities
Which characteristic is not typical of cellular microbes? - Correct Answer Composed only of protein and
nucleic acids
Some microorganisms can be macroscopic because they are__________ - Correct Answer Multicellular
How do prokaryotic cells most commonly differ from eukaryotic cells? - Correct Answer Lack a nucleus
Which feature describes eukaryotic cells? - Correct Answer Contain a nucleus
What are the domains of life based on rRNA comparisons? - Correct Answer Archaea, Bacteria, Eukarya
Which characteristic is most common for bacteria? - Correct Answer Single-celled
Which supporting roles do bacteria play in the human body? - Correct Answer Help digest food in the
intestines, contribute to immune system development, and produce vitamins in the intestines.
True or False: Most bacteria are not human pathogens - Correct Answer True
The domain Eukarya does not include which group of organisms? - Correct Answer Bacteria
Viruses are which kind of infectious agent? - Correct Answer Acellular
,Which group of organisms has the greatest number of taxa? - Correct Answer Microbes
How is the age of the Earth determined? - Correct Answer Using radioisotopes
Catalytic proteins that speed up chemical reactions in cells are called: - Correct Answer Enzymes
LUCA is a term used to describe the _________ - Correct Answer Last Universal Common Ancestor
The ________ hypothesis proposes an origin for mitochondria and chloroplasts in eukaryotic cells. -
Correct Answer Endosymbiotic
What is the term used when one organism lives inside the cells of another? - Correct Answer
Endosymbiosis
A eukaryotic species is defined by ______ - Correct Answer Reproductive properties
The descendants of a single, pure bacterial culture are considered to be a microbial _______ - Correct
Answer Strain
The first part of a Latin binomial is the name of the ________ - Correct Answer Genus
An axenic culture is one that is_____ - Correct Answer Pure
Robert Hooke is best known for his early work with ____ - Correct Answer Microscopes
Which man is considered the inventor of the microscope? - Correct Answer Leeuwenhoek
The theory of spontaneous generation claims that - Correct Answer Living organisms can develop from
nonliving matter
, Pasteur showed that even cultures open to the air could remain sterile by using - Correct Answer Swan-
neck flasks
The notion that microorganisms cause disease is called the _______ theory of disease - Correct Answer
Germ
The first use of antiseptics in surgery is attributed to Joseph_______ - Correct Answer Lister
Criteria used for proving the relationship between microorganisms and specific disease are called
__________ postulates - Correct Answer Koch's
In whose lab first developed the agar plate? - Correct Answer Koch
All of the genetic material in an organism is called a - Correct Answer Genome
Which role is not played by a typical bioinformaticist? - Correct Answer Develop computer processors
What is the main focus of medical microbiology? - Correct Answer Human and animal pathogens
The control and spread of communicable human diseases is the main concern of - Correct Answer Public
health microbiologists
In addition to the body's resistance to infection, this field also studies allergies and rheumatoid arthritis -
Correct Answer Immunology
What is the main focus of microbial ecology? - Correct Answer Diversity of microbes in the environment
Nitrogen-fixation in soils and the bacteria in cattle rumen would interest - Correct Answer An
agricultural microbiologist
Chapter 1-6 & 19 All HW Questions
with correct answers 100% 2025
Which entities are acellular? - Correct Answer Prions, Viroids, Viruses
Which entities are included within the microorganisms? - Correct Answer Organisms and acellular
biological entities
Which characteristic is not typical of cellular microbes? - Correct Answer Composed only of protein and
nucleic acids
Some microorganisms can be macroscopic because they are__________ - Correct Answer Multicellular
How do prokaryotic cells most commonly differ from eukaryotic cells? - Correct Answer Lack a nucleus
Which feature describes eukaryotic cells? - Correct Answer Contain a nucleus
What are the domains of life based on rRNA comparisons? - Correct Answer Archaea, Bacteria, Eukarya
Which characteristic is most common for bacteria? - Correct Answer Single-celled
Which supporting roles do bacteria play in the human body? - Correct Answer Help digest food in the
intestines, contribute to immune system development, and produce vitamins in the intestines.
True or False: Most bacteria are not human pathogens - Correct Answer True
The domain Eukarya does not include which group of organisms? - Correct Answer Bacteria
Viruses are which kind of infectious agent? - Correct Answer Acellular
,Which group of organisms has the greatest number of taxa? - Correct Answer Microbes
How is the age of the Earth determined? - Correct Answer Using radioisotopes
Catalytic proteins that speed up chemical reactions in cells are called: - Correct Answer Enzymes
LUCA is a term used to describe the _________ - Correct Answer Last Universal Common Ancestor
The ________ hypothesis proposes an origin for mitochondria and chloroplasts in eukaryotic cells. -
Correct Answer Endosymbiotic
What is the term used when one organism lives inside the cells of another? - Correct Answer
Endosymbiosis
A eukaryotic species is defined by ______ - Correct Answer Reproductive properties
The descendants of a single, pure bacterial culture are considered to be a microbial _______ - Correct
Answer Strain
The first part of a Latin binomial is the name of the ________ - Correct Answer Genus
An axenic culture is one that is_____ - Correct Answer Pure
Robert Hooke is best known for his early work with ____ - Correct Answer Microscopes
Which man is considered the inventor of the microscope? - Correct Answer Leeuwenhoek
The theory of spontaneous generation claims that - Correct Answer Living organisms can develop from
nonliving matter
, Pasteur showed that even cultures open to the air could remain sterile by using - Correct Answer Swan-
neck flasks
The notion that microorganisms cause disease is called the _______ theory of disease - Correct Answer
Germ
The first use of antiseptics in surgery is attributed to Joseph_______ - Correct Answer Lister
Criteria used for proving the relationship between microorganisms and specific disease are called
__________ postulates - Correct Answer Koch's
In whose lab first developed the agar plate? - Correct Answer Koch
All of the genetic material in an organism is called a - Correct Answer Genome
Which role is not played by a typical bioinformaticist? - Correct Answer Develop computer processors
What is the main focus of medical microbiology? - Correct Answer Human and animal pathogens
The control and spread of communicable human diseases is the main concern of - Correct Answer Public
health microbiologists
In addition to the body's resistance to infection, this field also studies allergies and rheumatoid arthritis -
Correct Answer Immunology
What is the main focus of microbial ecology? - Correct Answer Diversity of microbes in the environment
Nitrogen-fixation in soils and the bacteria in cattle rumen would interest - Correct Answer An
agricultural microbiologist
