Cells and Viruses

Is a virus considered living or non-living?

• Living
• Non-Living
• Neither

What is a host?

• Organism that lives on the cell and causes it harm 
• Something that causes harm to the cell 
• Cell that the virus invades and takes over

Why do scientists classify viruses as non-living?

• They DO respond to a stimulus
• They need a host's energy because they do not have their own energy 
• They produce wastes
• They are really small 

What is the last step in the viral cycle?

• A virus attaches to the surface of a host cell

• The proteins and genetic material start to assemble in the cell

• The host cell bursts open, releasing the new viruses

• The virus injects its genetic material into the cell

Where do viruses replicate?

• Outside of a cell

• Inside of a cell

• They do not replicate

Which of the following helps prevent the spread of infectious diseases?

• Surgery
• Medication
• Vaccines

Antibiotics kill viruses

• True
• False

Which can be treated with antibiotics?

• Virus
• Bacteria
• Mutagen
• Parasite

Which type of cell is this?

• Prokaryote

• Eukaryote

What type of cell has a nucleus? 

• eukaryotic
• prokaryotic