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WorksheetsVirus test
Total questions: 20
Worksheet time: 14mins
What does a virus consist of?
DNA or RNA and a protein coat
Only DNA
RNA, a protein coat, and cell membrane
DNA and Bacteriophages
All of the above
takes over the cell's functions.
Outer coat
Genetic material
Core
Cytoplasm
A virus's genetic material is surrounded by
A protein capsid
DNA
A tail fiber
Nothing
Choose the correct order of lytic cycle steps
Attachment, injection, assembly, synthesis, lysis
Attachment, injection, synthesis, assembly, lysis
Attachment, injection, assembly, lysis, synthesis
Attachment, lysis, assembly, synthesis, injection
Viruses attach only to a particular host because of the presence of
DNA
magnetic attraction
surface receptors
other viruses
Viruses need a ____________ in order to make copies of themselves.
Bacterial cell
Host cell
Capsid
Vaccine
Antibiotics ________ treat viral infections.
Can
Cannot
How do retroviruses differ from normal viruses?
They have RNA instead of DNA
Retroviruses don't reproduce
Retroviruses do not need a host to survive
Retroviruses and normal viruses have no differences
Is a vaccine a cure or a prevention?
Prevention, because you have to get it before you ever get sick
Cure, because you take it once you get sick and it kills the bacteria or virus.
What is this?
Bacteria
Viruses
Bacteriophages
Influenza
Polio
Before a virus can replicate it must...
Enter a host cell
Gather nutrients
Go dormant
Become inactive
The virus attaches to the host cell.
Step 1 in lytic cycle
step 2 in lytic cycle
step 4 in lytic cycle
step 3 in lytic cycle
Which of the following is not a virus?
Rabies
E Coli
HIV
T7
Sometimes, a virus becomes part of the DNA and remains in the host cell for a long period of time. This process is called _____________ _____________________.
Cell cycle
Lysogenic cycle
Bacteriophages
Nitrogen cycle
