Viruses
Bacteria
Infectious Disease
Infectious Disease
A little bit of everything...
100
This type of virus becomes part of the host's genetic material.
What is a hidden virus?
100
Bacteria are called ______________ because their genetic material is NOT contained in nuclei.
What are prokaryotes?
100
True or false. The flu can be contracted by eating contaminated food. Explain.
What is false. The flu can be contracted by inhaling infected droplets.
100
True or false. The common cold and the flu are cause by cold weather. Explain.
What is false? The common cold and the flu are caused by direct or indirect contact with infected persons.
100
__________ is the body's ability to destroy pathogens before they can cause disease.
What is immunity?
200
True or false. Viruses are much larger than cells. Explain.
What is false? Viruses are much smaller than cells.
200
This long, whiplike structure is present in some bacteria and helps it to move.
What is the flagellum?
200
Antibiotics are not used to treat viruses because ...
What is ... antibiotics kill bacteria but do not affect viruses?
200
This is a disease that is caused by the bite of an infected tick.
What is lyme disease?
200
This is the virus that causes AIDS.
What is HIV?
300
This is the part of a virus that contains the instructions for making new viruses.
What is the genetic material?
300
The name of bacteria that survive in the presence of an antibiotic.
What is "antibiotic resistant?
300
Infectious diseases are caused by ____________.
What are pathogens?
300
a cut in the skin, contact with a contaminated surface, inhaling droplets
What are ways pathogens can get into the body?
300
This is the only way viruses can multiply.
What is when they are inside a living cell?
400
Why are viruses like parasites?
What is because they harm the cells they enter?
400
Bacteria called _______________ return basic chemicals to the environment.
What are decomposers?
400
This is the best treatment for most viral infections.
What is bed rest?
400
This person demonstrated that killing organisms that cause disease could prevent the spread of the disease.
Who is Louis Pasteur?
400
This is the process when bacteria cells reproduce to crease two identical cells.
What is binary fission?
500
Vaccines are considered to be nonliving because....
What is ... they do not show all the characteristics of life?
500
Digesting food, making vitamins, competing for space with disease-causing bacteria
What are the roles of bacteria that live in the human body?
500
True or false. A vaccine works by weakening the cell walls of bacteria, causing the cells to burst. Explain.
What is false? Vaccines work by activating the body's natural defenses.
500
This type of virus begins to multiply immediately after it enters a cell.
What is an active virus?
500
_____________ _____________ involves antibodies that have not been produced by the body of the immunized person.
What is passive immunity?
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