Microbiology 101: Chapter 1

Front

What conclusion can be drawn from Pasteur’s experiment when the flask was tilted and the broth contacted the neck of the flask?

Back

Microbes entered the broth and began to replicate.

Front

Which of the following is an example of a harmful effect of microbes?

Back

Pathogens causing infectious disease.

Front

What term did Antoni van Leeuwenhoek use to describe the tiny organisms he observed under his microscope?

Back

Animalcules.

Front

What does it mean when we say microbes are ubiquitous?

Back

Microbes are found everywhere in the environment.

Front

What is the purpose of streaking an agar plate with a sample from a diseased animal in Koch's postulates?

Back

To grow colonies of the suspected pathogen in pure culture.

Front

Define 'microbiology'.

Back

The study of microorganisms, including bacteria, viruses, fungi, and protozoa.

Front

What is a pathogen?

Back

An organism that causes disease.

Front

What is bioremediation?

Back

The use of microbes to clean up contaminated environments.

Front

What is the significance of pure culture in microbiology?

Back

It allows for the study of a single type of microorganism without interference from others.

Front

What are Koch's postulates?

Back

A series of criteria used to establish a causative relationship between a microbe and a disease.