Viruses

True or False: Most viruses are so small that they can't be seen with with the unaided eye (basically saying we can't see them unless we have a microscope)

• True

• False

What reason do scientists give for saying that viruses are not living organisms?

• they cannot reproduce without the aid of a host

• they do not metabolize food into energy

• they do not have organized cells

• all of the above

• none of the above

What does the term 'obligate intracellular parasite' mean?

• does not need a host to survive

• needs a host to survive

As a virus changes over time, it can affect different systems within the organism. This change of the virus is called a _______________.

• mutation

• melanin

• metaphysics

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need  bacteria
• They need insulin

What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?

• tail
• nucleus
• capsid
• glycoprotein

Viruses are...

• prokaryotic
• eukaryotic
• non-living
• endospores

what is NOT found in a prokaryote cell?

• Cell membrane
• Genetic Material
• Nucleus
• ribosomes

What is the first step to the life cycle of a virus?

• The virus attaches to a host

• the virus injects genetic material

• the host gets sick

• the cell is destroyed

What happens to cells when their membranes break apart?

• The virus dies

• The virus destroys and damages a host cell

• the capsid bursts

• the virus becomes dormant