Chapter 7 Bacteria and Viruses Test

Front

What is an endospore?

Back

A form of bacterium that has a thick internal wall around its chromosome and part of the cytoplasm, allowing it to survive in harsh conditions.

Front

True or False: Bacteria is never beneficial, it only causes disease.

Back

False. Bacteria can be beneficial and play important roles in processes like digestion and nutrient cycling.

Front

What is bioremediation?

Back

The use of organisms, such as bacteria, to clean up environmental pollution.

Front

How do bacteria contribute to making chocolate?

Back

Bacteria break down the covering of cocoa beans and provide some flavor.

Front

What does resistance mean in the context of bacteria?

Back

The capacity of an organism to defend itself against disease.

Front

What is the role of antibiotics?

Back

Substances that kill or inhibit the growth of bacteria, used to treat bacterial infections.

Front

Define pasteurization.

Back

A process of heating food and liquids to kill harmful bacteria without affecting the taste.

Front

What is nitrogen fixation?

Back

The process by which certain bacteria convert nitrogen gas from the atmosphere into a form that plants can use.

Front

What is the function of a flagellum?

Back

A long, whip-like structure that helps bacteria move.

Front

What is decomposition?

Back

The process by which organic substances are broken down into simpler organic or inorganic matter.