BrainPop Review -Virus

1. What would happen to a virus if it couldn’t find a host cell to invade?

• a. it wouldn’t be able to multiply

• b. it wouldn’t be able to travel through the air

• c. its genetic information would wither away

• d. it would not be able to exist

Which term best describes viruses?

• a. miniscule

• b. gargantuan

• c. harmless

• d. sterile

What do viruses have in common with your body’s cells?

• a. Their genetic material is surrounded by a nucleus

• b. They contain many complex organelles.

• c. They contain DNA or RNA.

• d. They are surrounded by capsids.

What is the difference between DNA and RNA?

• a. RNA is a more complex molecule than DNA.

• b. RNA contains genetic information; DNA does not.

• c. DNA is a more complex molecule than RNA.

• d. DNA contains genetic information, RNA does not.

What’s the difference between a pathogenic virus and a harmless one?

• a. Pathogenic viruses make copies of themselves; harmless ones don’t.

• b. Pathogenic viruses get inside cells; harmless ones don’t.

• c. Pathogenic viruses are surrounded by capsids; harmless ones aren’t.

• d. Pathogenic viruses end up killing cells; harmless ones don’t.

6. What do the viruses that cause HIV, hepatitis, and Ebola have in common?

• a. They cannot replicate inside human cells.

• b. They are spread through contaminated water

• c. They are harmless viruses.

• d. They can kill people.

Which of the following is a true statement about viruses?

• a. They are only spread through person-to-person contact.

• b. They can be spread in a number of different ways.

• c. All of them are harmful to humans.

• d. They can only be spread through exposure to animal waste.

What does a virus do once it’s inside one of your cells?

• a. It stays inside the cell for a while, and then leaves.

• b. It eats up all of the machinery in the cell.

• c. It uses the cell’s machinery to make copies of itself.

• d. It prevents the mitochondria from converting glucose to ATP.

What can you infer about the virus that causes the common cold?

• a. It is harmless

• b. It is pathogenic, but not usually deadly

• c. It is usually deadly, but not pathogenic

• d. It cannot be spread by person to person contact.

If you have a cold, why should you cover your mouth when you sneeze?

• a. to prevent other people from breathing in the viruses you expel.

• b. To prevent viruses from infecting the cells in your nose and mouth

• c. To keep as many viruses as possible inside your body.

• d. To get all of the cold viruses out of your body and onto your skin.