Mega Quizizz: Cells, Bacteria, and Viruses.

Why do doctors suggest that people get a flu vaccine each year?

• viruses replicate more rapidly over time
• viruses can mutate from year to year
• vaccines are absorbed by the body after a year
• vaccines get stronger over time

What do viruses need to reproduce?

• Genetic material

• A host cell

• Bacteria

• Insulin

Can a virus be cured with antibiotics?

• yes

• no

Which statement is true about viruses?

• Viruses can eat and metabolize food.

• Viruses can reproduce only using a host cell.

• Viruses can reproduce on their own at any time.

• Viruses contain DNA, so they are alive.

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

What type of cells contain a nucleus?

• bacterial cells

• virus cells

• prokaryotic cells

• eukaryotic cells

Why are viruses considered to be nonliving organism?

• they do not have genetic information
• they are not able to move on their own
• they do not interact with their environment
• they are no able to reproduce without a host cell

True or False
The flu is caused by a virus.

• true
• false

How do viruses reproduce?

• They copy their own genetic material inside a protein coat.
• They kill a cell and reproduce inside it.
• They invade a living cell and use the cell's functions to replicate their genetic material.
• They do not reproduce because they are not technically living things.

Which BEST compares bacteria and viruses?

• bacteria are smaller than viruses
• bacteria cause disease, but viruses do not
• bacteria are living organisms, but viruses are not
• bacteria have genetic material, but viruses do not