Viruses

​Viruses

Open Ended

Brain dump: What are some characteristics that separate living from non-living?

Multiple Choice

What is a virus?

• A virus is a form of energy.
• A virus is a type of bacteria.
• A virus is a large living organism.
• A virus is a tiny infectious agent.

Multiple Choice

What kind of genetic material can viruses have?

• Protein or Lipid material
• Carbohydrate or Peptide chains
• Cellular or Membrane structures
• DNA or RNA genetic material

Multiple Choice

What is a capsid?

• A capsid is a membrane that stores cellular energy.
• A capsid is a protein shell that protects viral genetic material.
• A capsid is a carbohydrate structure in plant cells.
• A capsid is a lipid layer surrounding bacterial DNA.

Multiple Choice

Where does the lipid envelop on some viruses come from?

• Host cell membrane during budding.
• Viral RNA during replication.
• Cellular cytoplasm after infection.
• Nuclear membrane during assembly.

Multiple Choice

What are glycoproteins on viruses used for?

• They assist in cell attachment.
• They protect the virus from antibodies.
• They help in viral replication.
• They enhance viral mutation rates.

Multiple Choice

What do bacteriophages infect?

• Viruses
• Bacteria
• Algae
• Fungi

Multiple Choice

Which cycle is shorter? Lytic or lysogenic?

• Lytic cycle
• Lysogenic cycle
• Both cycles are equal

Multiple Choice

What is the end result of viral replication?

• Host cell undergoes apoptosis.
• New virus particles formed.
• Viral DNA is destroyed.
• Viral proteins are degraded.

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Multiple Choice

Are viruses alive?

• Viruses are not alive.
• Viruses have cellular structures.
• Viruses can reproduce independently.
• Viruses are living organisms.