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V,B, & Health
Bacteria
Viruses
Vocabulary
True/False
100
A substance that stimulates the body to produce chemicals that destroy viruses or bacteria.
What is vaccine
100
These are bacteria that break down large chemicals in dead organisms into small chemicals
What are decomposers
100
In order to multiply a virus must invade this.
What is a host cell
100
The process of breaking down food to release energy
What is respiration
100
Compared to bacteria, viruses are smaller
What is true
200
Compounds in food that the body requires for proper growth, maintenance and functioning.
What is a nutrient
200
This is inside the cell membrane of a bacterium
What is cytoplasm
200
A virus that attacks and destroys bacteria
What is a bacteriophage
200
A whiplike structure that helps a cell to move
What is flagellum
200
Hidden viruses immediately take over a host cell's functions
What is false They can hide for months and even years.
300
A chemical that can kill bacteria without harming the human body is this
What is an antibiotic
300
To survive in unfavorable conditions, some bacteria form these
What are endospores
300
Some viruses cause the host cells to reproduce both itself and the virus causing groups of cells called this.
What are tumors
300
The cell's chemical factories where proteins are produced
What are ribosomes
300
Bacteria are prokaryotes. Their cells have nuclei that contain the cell's genetic materials.
What is false There are no nuclei
400
A substance produced by the body that destroys or inactivates an antigen that has entered the body.
What is an antibody
400
Where one bacterium divide to form two identical bacteria cells
What is binary fission
400
All viruses have two basic parts: A protein coat and this
What is genetic material
400
Dissolution or destruction of cells
What is lysis
400
Bacteria reproduce by binary fission
What is true
500
A protein created by an infection helping to stop a virus.
What is interferon
500
Where one bacterium transfers genetic material into another bacteria cell
What is conjugation
500
A virus acts like this type of organism that lives on or in a host and causes harm
What is a parasite
500
One celled monerans that contain chlorophyll.
What are blue-green algae
500
The chromosome like part of a virus is surrounded by a membrane.
What is false. Protein coat.