Download Fill in the blanks: Viruses

Name:
Date:
Period:
Fill in the blanks: Viruses
Diseases
Shapes
Nucleic Acid
Reproduction
Infect
Animal
Cell
Capsid
Smaller
1. Scientists classify viruses according to the living things they ____________________.
2. A virus is just pieces of __________________________.
3. Some viruses have very unusual _____________________.
4. The outer coat of a virus is called a ________________________.
5. Capsids give viruses their ______________________.
6. The three main groups of viruses are bacterial, plant and _______________ viruses.
7. Viruses are much ____________________ than bacteria.
8. A virus does not carry out any of the life processes except ________________,
however, it can only reproduce inside another living _________________.
9. A virus has no _________________ parts.
10. Viruses cause many plant and animal ________________________.
TRUE OR FALSE
In the space provided write ‘true’ if the sentence is true. Write ‘false’ if the sentence is false.
__________ 1. The flu is caused by a virus
__________ 2. The capsid makes up most of a virus
__________ 3. All viruses are round
__________ 4. When viruses reproduce, the capsid enters a cell
__________ 5. The outer coat of a virus is made up of protein
__________ 6. The nucleic acid gives a virus it’s shape
__________ 7. Viruses do not ingest or digest food
__________ 8. Scientists first learned about how viruses reproduce by studying animal
viruses.
VIRAL REPRODUCTION
Match each statement to the stages showing how viruses reproduce. Write the letter of each statement
below the correct stage. Also, name each stage.
A. Bacterial virus attaches itself to the host cell
B. Virus injects its nucleic acid into the cell
C. Nucleic acid of virus directs the cell to make new viral nucleic acid and capsids
D. New viruses burst out of the host cell
___________
________________
Name: _____________
Name: ___________
________________
_________________
Name: _______________
Name: ________________
1. Do you think viral infections are hard to treat? Explain why or why not.
2. List four diseases caused by viruses.