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Bacteria
Virus
Good or Bad?
Cough, Cough
B vs. V
100
Living
Is bacteria living or nonliving?
100
Answers will vary.
Name one bad thing about bacteria.
100
Answers will vary
What is one way you can prevent catching an infectious disease?
100
Vaccine
What is a substance that stimulates the body to produce chemicals that destroy viruses or bacteria?
200
Endospores
To survive in unfavorable conditions, some bacteria form _____________.
200
bed rest
The best treatment for an unknown viral disease is _____________ .
200
Answers will vary.
Name three good things about bacteria.
200
Parasites
What are organisms that live in or on a host organism and cause harm to the hosts?
200
binary fission
Bacteria asexually reproduce by _____________ .
300
Ribosomes
What are the chemical factories that produce proteins?
300
Vaccines
Some infectious diseases by can be prevented with __________ .
300
Active
_________ viruses immediately take over a host cell’s functions.
300
antibiotic
A chemical that can kill bacteria without harming the human body is an __________ .
300
Flagellum
A ___________ is a whip like structure that helps a bacterial cell move.
400
Conjugation
What is a form of sexual reproduction?
400
False, do not.
True or False. Bacteria are prokaryotes. Their cells have nuclei that contain the cell’s genetic materials.
400
Respiration
What is the process of breaking down food to release energy?
400
True
True or False. In order to multiply, a virus must invade a host cell.
400
Toxin
The bacterium Clostridium Botulinum produces a poison called a ___________ , which can cause botulism.
500
Cytoplasm
What is the area inside the cell membrane of a bacterium?
500
True
True or False. The following are characteristics of an active virus: multiplies quickly, has an outer coat of proteins, and destroys its host cells.
500
Sexual reproduction.
What is the process by which two parents combine their genetic material to produce a new organism that differs from both parents?
500
False, Bacteriophage.
True or False. A virus that attacks and destroys bacteria is called a nucleus.
500
Decomposers
Bacteria that break down large chemicals in dead organisms into small chemicals are called _______________ .