Virus Structure

Which of the following pictures is NOT a example of a virus?

• a

• b

• c

• d

The projections (surface markers) on the surface of this virus allow the virus to —

• move inside a host cell

• attach to a host cell

• control a host cell’s DNA

• signal other viruses to infect a host cell

True or False…..Viruses are living organisms

• True

• False

Which of the following best describes the overall structure of viruses?

• An outer protein coat and nucleic acid within the core.

• An outer carbohydrate coat and nucleic acid within the core.

• A protein tail and carbohydrate tail fibers.

• A carbohydrate tail and protein tail fibers.

Which letter on the diagram points to the genetic material of the virus?

• a

• b

• c

• d

• e