VIRUSES

IMPORTANT FEATURES

• Can only reproduce within a host cell
• Small one celled organism
• Not asexual or sexual
• Smaller than bacteria
• Caries DNA or RNA

WHERE IT LIVES

• Lives in a host cell
• "A cell that harbors a molecules, virus or microorganism.
• For example, a cell being a host to a virus.

HOW IT REPRODUCES

• Virus attaches to a host cell
• Virus releases genetic instructions to host cells enzymes
• Enzymes make parts for new viruses
• Parts assemble into the new viruses
• The virus leaves the host cell ready to infect another

EXAMPLES

• Measles
• Cold
• HIV/AIDs
• Flu
• Chicken pox

HAZARDS

• Makes you sick
• Can result in death
• Kills cells

BENEFITS

• Cancer prevention
• Gene therapy
• Makes vaccines