Bacteria and Viruses

Front

Which microorganisms are always harmful?

Back

Pathogens

Front

How many microbes are there in the world according to what we learned? Options: Trillions upon trillions, Billions, Millions, Thousands

Back

Trillions upon trillions

Front

Which of the following is TRUE about bacteria?
- They never swim
- They can be harmful
- They cannot be killed
- They come in one shape

Back

They can be harmful

Front

Where are bacteria located?

Back

Every where!

Front

Viruses require a host cell to

Back

Replicate

Front

What is a host?

Back

An organism or a cell that the virus needs to reproduce in

Front

One important way to control the spread of viruses is through:

• the use of vaccines
• drinking a lot of tea
• the use of other types of bacteria
• the use of antibiotics

Back

the use of vaccines

Front

Bacteria come in which of the following shapes?
Options: rod, cone, spiral; rod, sphere, spiral; rod, sphere, cone; sphere, cone, spiral

Back

rod, sphere, spiral

Front

Vaccines are made from

Back

dead or weakened viruses

Front

Which of the following is a true statement about bacteria?

• Bacteria exist in only a few environments on earth
• Bacteria can grow to extremely large sizes
• Most bacteria are harmful to humans
• Bacteria can be both harmful and helpful to humans

Back

Bacteria can be both harmful and helpful to humans