Vocabulary
Beneficial Bacteria
Treating and Preventing
Viral Diseases
Characteristics of
Viruses
Harmful bacteria
100

Medicines that stop the growth and reproduction of bacteria.

What is an Antibiotic?

Page 242

100

The breaking down of dead organisms and organic waste.

What is Decomposition?

Page 240

100

Exempt, free.

What is immunity?

Page 251

100

A change in genetic material.

What is mutation?

100

Some pathogens normally live in your body, but cause illness only when your immune system is...

What is weakened?

Page 242

200

A process of heating food to a temperature that kills most harmful bacteria.

What is Pasteurization?

Page 243

200

The conversion of atmospheric nitrogen into nitrogen compounds that are usable by living things.

What is Nitrogen Fixation?

Page 240

200

A mixture containing material from one or more deactivated pathogens.

What is a vaccine?

Page 252

200

Viruses must use organisms to carry on the processes that we usually associate with a living....

What is a cell?

Page 248

200

Random mutations occur to a bacterium's DNA that enable it to survive or..

What is resist?

Page 243

300

Agents that cause disease.

What are Pathogens?

Page 242

300

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

What is Bioremediation?

Page 241

300

A protein that can attach to a pathogen and make it useless.

What are Antibodies?

Page 251

300

Viruses can make copies of itself in a process called..

What is replication?

Page 249

300

All food, unless it has been treated or processed, contains...

What is bacteria?

Page 243

400

Forms when a bacterium builds a thick, internal wall around its chromosome and part of the cytoplasm.

What is an Endospore?

Page 235

400

Some pickles are made when the sugar in cucumbers is converted into an acid by a specific type of....

What is Bacteria?

Page 241

400

Antibodies bind cells so they don't attach to...

What are host cells?

Page 251

400

All living things are organized, respond to stimuli, use energy , grow, and...

What is reproduce?

Page 248

400
Scientists are always working to develop more effective...

What are antibiotics?

Page 243

500

Scientists are researching new ways to treat and prevent viral Diseases in humans, animals and...

What are plants?

Page 252

500

Bacteria are commonly used to clean up areas that have been contaminated by oil or harmful.....

What are plastics?

Page 241

500

One way to prevent viral diseases is through...

What is vaccination?

500

A virus can only attach to a host cell with specific molecules on its cell wall or cell....

What is membrane?

Page 249

500

Two ways for bacteria to cause disease.

What is damaging tissue and releasing toxins?

Page 242