Viruses

Which is a living thing?

• bacteria

• virus

• bacteria and virus

• neither bacteria and virus

Tags

NGSS.MS-LS1-1

Which is smaller?

• bacteria

• virus

• cells

A virus is made up of _______ surrounded by a protein coating.

• DNA

• RNA

• DNA or RNA

How does a virus infect a cell?

• A virus shares its genetic material.

• A virus does not infect cells.

• A virus attach itself to a cell and inject that cell with its genetic material.

How does a virus reproduce?

• A virus does not make more viruses.

• A virus uses the cell's machinery to make more viruses.

• A virus kills the cell.

What happens to the cell after the virus infects it?

• Often the cell dies.

• The cell does not change.

• The cell multiplies.

All viruses make you sick.

• True

• False

Viruses that make you sick are called ______.

• helpful viruses

• pathogenic viruses

• harmful germs

If a virus cannot find a host cell to infect, ...

• it would not be able to multiply.

• it would not be able to exist.

• it would live.

• it would not be able to travel through the air.

The only way a virus can reproduce is by making copies of itself.

• True

• False