All About Viruses

A strand of DNA (Deoxyribonucleic acid) or RNA (Ribonucleic acid) surrounded by a layer of protein that can infect and replicate in a host cell is called?

• bacteria

• virus

• natural immunity

How many shapes does a virus have?

• 6

• 4

• 8

What are latent viruses?

• present and active

• present but sleep sometimes

• present but not active

What are the types of viruses? Check all that apply.

• cylinder

• bacteriophage

• crystal

• disk

• sphere

Viruses are living thing.

• true

• false

Viruses infects which of the following?

• bacteria cells

• animal cells

• host cells

Which of the following enable viruses to adjust to changes in their host?

• host cells

• mutation

• replication

Which two are viruses animals could have? Check all that apply.

• chicken pox

• rabies

• parvo

• hepatitis

Antibiotics work only against which of the following?

• bacteria

• viruses

• people

Antiviral medicines are specific to which of the following?

• bacteria

• viruses

• animal cells