Bacteria and Viruses

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

Which is smaller - bacteria or virus?

• bacteria

• virus

What is the whip-like 'tail' that bacteria use for movement?

• Cell wall

• Ribosome

• Flagella

• Cytoplasm

Bacteria are....(select all that apply)

• Single-celled organisms

• Multi-cellular organisms

• Eukaryotes

• Prokaryotes

Tags

NGSS.MS-LS1-1

An agent that can cause a disease is known as a?

• Antibiotic
• Foe
• Pathogen

An injection to PREVENT a diseases is called?

• Vaccine
• Neosporin
• Hydrogen Peroxide

What does a VIRUS need to replicate?

• Host Cell
• Pathogen
• Computer

One important way to control the spread of viruses in through

• the use of vaccines

• drinking a lot of tea

• the use of other types of bacteria

• the use of antibiotics

Where do bacteria live?

• only in water
• only inside living organisms
• only in the soil
• almost everywhere

What are the three shapes of bacteria?

• Pyramidal Shaped
• Rod Shaped
• Spherical Shaped
• Spiral Shaped