Viruses and Bacteria

Are viruses a living or nonliving organism?

• living

• nonliving

Viruses require a __________ cell in which to

reproduce.

• living

• dead

• new

• old

The __________is a protein coat that helps

protect the virus.

• capsid

• membrane

• capsule

Viruses use _____________ proteins to attach to

host cells.

• surface

• end

• internal

The two ways which viruses can infect a host cell

are the _______________ cycle and the ____________cycle.

• fluid and nonfluid

• lytic and lysogenic

What is disease caused by a virus?

• Tuberculosis

• Glanders

• Flu

• Strepthroat

Viruses do not respond to __________________.

• vaccines

• antibiotics

Bacteria are all classified as prokaryotes, which

mean they do not have ______________.

• Cell Wall

• Cell Membrane

• Nucleus

All bacteria are unicellular, which means they

are composed of how many cells. __________

• 1

• 2

• 3

• many

Cocci are___________shaped,

• rod

• sphere/round

• spiral