Chapter 1 microbiology test

What was Leeuwenhoek’s contribution to the science of microbiology?

Who developed the small pox vaccine?

Who studied fermentation?

Koch’s work involving anthrax was significant because it was the first time __________.

Whose experiments supported the existence of a “life force”?

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?

How are the bacteria and the archaea different from all the other cellular microbes?

Spallanzani’s experiments concerning spontaneous generation were NOT universally accepted because __________.

Which field of microbiology involves the study of microorganisms in their natural habitats?

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) __________.

The Golden Age of Microbiology (4 questions)

Which of the following techniques could be used to produce a yeast capable of making viral proteins?

What did the work of Lister and Ehrlich have in common?

What is a trait shared by both archaea and protozoa?

What characteristic is shared by both molds and parasitic worms?

Viruses are unlike other infectious agents studied by microbiologists in that they are _______________.

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.

Parasitic worms, even meters-long tapeworms, are studied in microbiology because

Microorganisms characterized by the absence of a nucleus are called

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)

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

Identification of bacteria in the laboratory usually begins with the ________ for placement in one of two large groups of bacteria.

The work of Lister, Nightingale, and Semmelweis all contributed to controlling infectious disease by

Gastric ulcers are caused by __________.

Dr. Marshall demonstrated that gastric ulcers are caused by a bacterium by using _________.

The most effective treatment for gastric ulcers is __________.