1. Introduction to Microbiology

Which of the following is a type of contamination in a food establishment caused by microorganisms?

Which of the following best explains why studying ocean microbes is important for understanding the biosphere?

Which of the following statements best describes the benefits of microbial antagonism to the human host?

In the context of the importance of microorganisms, what substance is fixed from the atmosphere by certain bacteria (e.g., nitrogen-fixing bacteria)?

The yeast Candida albicans does not normally cause disease because of which of the following?

Which of the following is most profoundly influenced by a healthy gut microbiota?

Why are some scientists studying the bacteria that live in the guts of termites?

What could happen if a pedicure bath is not properly cleaned?

How does the release of carbon dioxide by microorganisms benefit plant life?

More than half of our antibiotics are derived from which of the following sources?

Which term best describes living organisms such as germs that are essential to countless life processes?

Which statement best describes how bacteria can be used to clean up pollutants in the environment?

Approximately what percent of all bacteria are considered harmless to humans?

Why is it important to isolate a single colony of bacteria from a chicken farm sample?

Bacteria and other microbes can be used to clean up environmental pollutants through a process known as: