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Questions and Answers
What is a virus primarily composed of?
What is a virus primarily composed of?
- Cytoplasm and a cell membrane
- Cell wall and chlorophyll
- Organelles and a nucleus
- Nucleic acid and a protein coat (correct)
What is the main characteristic of viruses in terms of cellular structure?
What is the main characteristic of viruses in terms of cellular structure?
- They have a nucleus and organelles
- They have a rigid cell wall and chloroplasts
- They have a cell membrane and cytoplasm
- They are non-cellular (correct)
What is the role of the protective protein coat in a virus?
What is the role of the protective protein coat in a virus?
- It helps the virus to move and replicate
- It is called a capsid and surrounds the genetic material (correct)
- It acts as a barrier against host immune responses
- It provides energy for the virus
What is the significance of the spikes of protein found on some virus envelopes?
What is the significance of the spikes of protein found on some virus envelopes?
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What type of parasites are viruses?
What type of parasites are viruses?
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Viruses have no ______
Viruses have no ______
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Viruses come in many different ______ and sizes
Viruses come in many different ______ and sizes
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Viruses are the smallest of all ______
Viruses are the smallest of all ______
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Viruses exist by hijacking the cellular machinery of another living thing to reproduce by injecting its genetic material into a ______ cell
Viruses exist by hijacking the cellular machinery of another living thing to reproduce by injecting its genetic material into a ______ cell
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Viruses can be either naked (non-enveloped) or ______
Viruses can be either naked (non-enveloped) or ______
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