Virus

Why can't antibiotics treat the common cold?

• Because antibiotics are too expensive

• Because it's caused by a bacteria

• Because it's not a serious condition

• Because it's caused by a virus

What is NOT a characteristic of viruses?

• They can have an outer envelope

• They contain genetic material

• They are made of cells

• They have a protein coat

What do viruses need to replicate?

• Water

• Sunlight

• A host

• Soil

What cycle involves the virus's genetic material hiding in the host's genetic material?

• Lysogenic cycle

• Lytic cycle

• Reproductive cycle

• Metabolic cycle

Why is the mutation of viruses a challenge in treatment?

• It makes them grow bigger

• It makes them invisible

• It makes them less contagious

• It may render treatments ineffective

What is one positive role of viruses mentioned?

• In curing bacterial infections

• In gene therapy

• In enhancing antibiotics

• In improving human immune systems

Which IS a LIVING organism?

• Bacteria

• Virus

What type of cells contain a nucleus?

• bacterial cells

• virus cells

• prokaryotic cells

• eukaryotic cells

Which of the following is true?

• Viruses and bacteria are both prokaryotes.

• Bacteria are eukaryotes and viruses are prokaryotes.

• Some bacteria are prokaryotes and some are eukaryotes.

• All bacteria are prokaryotes.

Do all Viruses have DNA?

• Yes

• No