Viruses

What type of cells are infected by viruses?

• bacteria

• plant

• animal

• all of these

Viruses are considered nonliving because they

• contain too much protein

• do not have a specific shape

• cannot be exposed to light

• do not have ALL of the characteristics of living things

Why is it that a virus that infects a human is not likely to infect a dog or a cat?

• viruses only infect humans

• viruses are specific to a host

• dogs and cats do not get diseases

• viruses do not infect living things

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For a virus to reproduce and live, it MUST

• live in a damp, dark area

• live inside a host

• remain hidden

• breathe oxygen

What do viruses stimulate the production of in your body?

• antibodies

• proteins

• DNA and RNA

• a nucleus

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Which of the following is a true statement about viruses?

• viruses are smaller than bacteria

• viruses are only treated with antibiotics

• most viruses are saprotrophs

• all viruses are multicellular

Viruses cause disease. Which is NOT caused by a virus?

• chicken pox

• flu

• strep throat

• common cold

Which of the following can help prevent viruses (check all that apply).

• good hygiene

• limiting contact

• antibiotics

• vaccinations

Spherical, complex, cylindrical, and polyhedral are all

• types of viruses

• life cycles of viruses

• viruses that infect only animals

• shapes of viruses

What are viruses made of?

• fat molecules

• DNA or RNA

• eukaryotic cells

• bacteria