Chapter 1 microbiology test

He developed the first microscope
What was Leeuwenhoek’s contribution to the science of microbiology?
Who developed the small pox vaccine?
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Who studied fermentation?
a bacterium had been proven to cause a disease
Koch’s work involving anthrax was significant because it was the first time __________.
Whose experiments supported the existence of a “life force”?
c, a, b, d
Put the following steps of Koch’s postulates in order: a. The suspected infectious agent must be isolated and grown outside the host. b. The suspected infectious agent causes the disease when it is introduced to a healthy, experimental host. c. The suspected infectious agent must be found in every case of the disease. d. The suspected infectious agent must be found in the diseased experimental host.
What refers to the use of bacteria or other microbes to detoxify pollutants?
They have no nucleus
How are the bacteria and the archaea different from all the other cellular microbes?
he eliminated air from his flasks by sealing them
Spallanzani’s experiments concerning spontaneous generation were NOT universally accepted because __________.
environmental microbiology
Which field of microbiology involves the study of microorganisms in their natural habitats?
they cause diseases that are diagnosed by finding microscopic eggs in clinical specimens
Microbiologists study parasitic worms because __________.
Which of the following fields of modern microbiology is NOT directly concerned with the genetic characteristics of a cell?
A microorganism has the following characteristics: eukaryotic, multicellular, has cell walls, and grows in long filaments. What is its general classification?
You have isolated a microorganism that is green, photosynthetic, has a cell wall, and does NOT possess a nucleus. This organism is a(n) __________.
Is the spontaneous generation of life possibe?

What causes fermentation?

What causes disease?

How can we prevent infection and disease?

The Golden Age of Microbiology (4 questions)
recombinant DNA technology
Which of the following techniques could be used to produce a yeast capable of making viral proteins?
They both explored the use of chemicals in the prevention and treatment of infectious diseases
What did the work of Lister and Ehrlich have in common?
They are unicellular
What is a trait shared by both archaea and protozoa?
eukaryotes and multicellular
What characteristic is shared by both molds and parasitic worms?
Viruses are unlike other infectious agents studied by microbiologists in that they are _______________.
view microorganisms and record these observations
Antoni van Leeuwenhoek was the first person in history to
Protozoa are also called prokaryotes (True or False)
The microbes commonly known as ________ are single-celled eukaryotes that are generally motile.
diagnosis usually involves microscopic examination of patient samples
Parasitic worms, even meters-long tapeworms, are studied in microbiology because
Microorganisms characterized by the absence of a nucleus are called
facultative anaerobes
Louis Pasteur demonstrated that fermentation to produce alcohol is caused by
Louis Pasteur is considered the Father of Microbiology because of the many carefully conducted experiments and observations he made with microbes. (True or False)
A scientist conducts experiments to test a(n) (observation/hypothesis/theory).
Koch’s postulates can be used only to determine the causes of infectious diseases. (True or False)
industrial microbiology
Pasteur’s experiments on fermentation laid the foundation for
Joseph Lister reduced the incidence of wound infections in health care settings by using chlorinated lime water. (True or False)
Robert Koch sought a “magic bullet” for the treatment of disease caused by bacteria. (True or False)
Which of the following individuals pioneered the use of chemicals to reduce the incidence of infections during surgery?
Spallanzani’s experiments contradicted the experiments of (Needham/Redi/Pasteur) on spontaneous generation.
The technique developed by Hans Christian Gram is important for bacterial
The use of chemicals to treat diseases such as bacterial infections is called (gene therapy/chemotherapy).
Paul Ehrlich used chemotherapy to treat
Gram stain
Identification of bacteria in the laboratory usually begins with the ________ for placement in one of two large groups of bacteria.
developing methods for reducing healthcare-associated infections (HAIs)
The work of Lister, Nightingale, and Semmelweis all contributed to controlling infectious disease by
Helicobacter pylori
Gastric ulcers are caused by __________.
Koch’s postulates
Dr. Marshall demonstrated that gastric ulcers are caused by a bacterium by using _________.
The most effective treatment for gastric ulcers is __________.

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