4C: Viruses

4C: Viruses

Key things about Viruses!

Viruses need to enter a LIVING HOST CELL in order to replicate itself!

The ONLY thing that cells and viruses have in common is that they both contain genetic material (DNA/RNA)!

Viruses DO NOT have membrane bound organelles.

A Lytic infection occurs quickly (symptoms appear in 2-14 days)

A Lysogenic infection takes a while to spread and symptoms won't appear very fast.

Multiple Choice

What conclusion can be made about the HIV infection of a host cell is best supported by the image?

• It takes place outside of living cells.

• It relies on the host cell to replicate.

• It involves the process of meiosis.

• It requires carbon dioxide.

Multiple Choice

A student is trying to make a model of a eukaryote, a prokaryote, and a virus. Which of the following do they need to make sure they included in all 3 models?

• Nucleus

• Cytoplasm

• Ribosomes

• Genetic Material

Multiple Choice

An illness caused by a certain virus includes fever, rash, joint pain, red eyes, and headache. The virus is transmitted by mosquitoes and the symptoms quickly occur within three to twelve days after contracting the virus. What is the reproductive cycle of the virus considered.

• Lytic

• Lysogenic

Multiple Choice

Using your knowledge on viruses, which structure below IS NOT part of a viruses structure?

• Genetic Material (DNA/RNA)

• Capsid (Protective Protein Coat)

• Cytoplasm (gel like fluid)

• Projections (Protein Spikes used for attachment)