Download viruses and bacteria

Name __________________________________ Date__________ Class _____________
VIRUSES AND BACTERIA
Compare and contrast viruses and bacteria. Place the following words/phrases where they belong.
Curable(not),
Vaccines(no), Antibiotics useful(no), Is(is not) an organism,
Can(can’t) be spread from person to person, (not) found in humans and animals, Deadly(not),
Living(not), contains DNA(doesn’t)
VIRUS
BOTH
BACTERIA
Label the parts on the structures below: Name the viruses/bacteria and state what they infect.
T/F state whether the statement is true or false. If FALSE correct what is wrong to make the
statement true.
1. _________________ All viruses look alike
2. _________________ Bacteria are unicellular
3. _________________ Bacteria have cell walls
4. _________________ Bacteria have a nucleus
5. _________________ Every virus contains DNA or RNA
6. _________________ A virus can replicate on its own
Answer the following questions
1. List and explain the 5 steps of virus replication
A.
B.
C.
D.
E.
2. Where are viruses found?
3. How many viruses can be in a single drop of blood? (Hint 10​9​)
4. What is one of the most deadly viruses ever identified? Explain what it does to the body.
5.
In what type of environmental conditions can bacteria be found? List at least 5 examples.
6. Bacteria are found in which of the 6 kingdoms?
7. Describe what a vaccine is.
8. Explain why the tobacco mosaic virus infects only a cell of a tobacco plant and not a human cell?
9. State at least 3 uses of bacteria.
10. Give 3 types of disease caused by bacteria and 3 by viruses
VIRUS
BACTERIA