Bacteria and Virus Evidence 2: Virus Characteristics

TRUE or FALSE: Viruses can be killed with an antibiotic. 

• TRUE
• FALSE

Compared to bacteria, viruses are much...

• smaller. 
• larger. 
• the same. 

TRUE or FALSE: both bacteria and viruses contain genetic material and reproduce. 

• TRUE
• FALSE

What makes up the outside part of a virus?

• protein coat
• cell wall
• cell membrane
• flagellum

Which part of a virus determines which host cells it can infect?

• nucleus
• surface proteins
• flagellum
• ribosomes

Bacteriophages are viruses that attack and destroy ___________________.

• other viruses
• plants
• bacteria
• humans

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need  bacteria
• They need insulin

A tiny non-living particle that invades and then multiplies inside of a living cell is called a:

• vaccine
• virus
• bacteriophage

Reasons that viruses are considered to be nonliving is because

• They are not cellular
• They cannot reproduce on their own
• They cannot make proteins
• all of the above

How could you describe the size of a virus?

• Smaller than bacteria
• Larger than a parasite
• About the size of a dime
• Smaller than a proton