Viruses

Reasons that viruses are considered to be nonliving is because

• They are not cellular
• They cannot reproduce on their own
• They cannot make proteins
• all of the above

What do viruses need to reproduce?

• they need genetic material
• They need a host cell
• They need  bacteria
• They need insulin

When a virus invades a living cell, its _______
takes over the cell's functions.

• outer coat
• genetic material
• core
• cytoplasm

What provides direct energy for the virus?

• food
• its host
• the sun
• a parasite

Viruses are cells. 

• True 
• False

Viruses are...

• prokaryotic
• eukaryotic
• non-living
• endospores

Why do doctors suggest people get a flu vaccine every year?

• Flu viruses replicate more rapidly over time
• Flu viruses can mutate from year to year
• Vaccines are absorbed by the body after a year
• Vaccines get stronger over time

What is a way to become immune to a disease without first having the disease?

• antibiotics
• Anti-retroviral drugs
• Vaccinations
• Exposure Therapies

What does a vaccine do?

• Gives you immunity
• Gives you a disease
• Cures you from a disease

Which can be treated with antibiotics?

• Virus
• Bacteria
• Mutagen
• Parasite