Virus and Bacteria Worksheet Solution
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VIRUSES:
1.
Do viruses belong to a kingdom?
Answer: No, viruses do not belong to any kingdom. They are not classified as living organisms in the traditional sense because they cannot reproduce or carry out metabolic processes independently.
2.
A virus is made of ____ and ____
Answer: A virus is made of
protein and
nucleic acid (DNA or RNA).
3.
Viruses that contain RNA are called:
Answer: Viruses that contain RNA are called
RNA viruses.
4.
Name of virus that attack bacteria?
Answer: Viruses that attack bacteria are called
bacteriophages.
5.
Made up of only protein only; cause of “Mad Cow disease”
Answer: The agent responsible for "Mad Cow disease" is a
prion, which is made up of only protein.
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Match the letter in the diagram with the best statement:
The diagram shows the stages of a viral infection cycle. Here’s how to match them:
6.
Virus' nucleic acid is injected into host cell.
Answer: C
7.
The virus' nucleic acid is copied.
Answer: D
8.
The host cell explodes, releasing more viruses.
Answer: E
9.
The virus attaches itself to the host cell.
Answer: B
10.
Cell reproduces more viruses.
Answer: A
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BACTERIA:
11.
Kingdom of true bacteria
Answer: The kingdom of true bacteria is
Bacteria.
12.
Cell walls of bacteria lack ____
Answer: The cell walls of bacteria lack
peptidoglycan (specifically, this refers to Gram-negative bacteria).
13.
Kingdom of the ancient bacteria
Answer: The kingdom of ancient bacteria is
Archaea.
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Vocabulary - Viruses and Bacteria:
14.
Organism that depends entirely upon another living organism for its existence in such a way that it harms that organism
Answer: Parasite
15.
Causes disease
Answer: Pathogen
16.
Disease-producing agent
Answer: Pathogen
17.
Composed of one cell
Answer: Unicellular
18.
Cells that lack a distinct nucleus
Answer: Prokaryotic cells
19.
Breaks down dead matter to recycle nutrients into ecosystem
Answer: Decomposer
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Final Answer:
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VIRUSES:
1. No
2. Protein and nucleic acid (DNA or RNA)
3. RNA viruses
4. Bacteriophages
5. Prions
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Diagram Matching:
6. C
7. D
8. E
9. B
10. A
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BACTERIA:
11. Bacteria
12. Peptidoglycan
13. Archaea
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Vocabulary:
14. Parasite
15. Pathogen
16. Pathogen
17. Unicellular
18. Prokaryotic cells
19. Decomposer
Final Answer Boxed:
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\text{See detailed answers above.}
}
Parent Tip: Review the logic above to help your child master the concept of virus and bacteria worksheet answer key.
