Intro to Diseases

What three modes of transmission can viruses spread?

A pathogen is something that causes a disease in an organism.

• True

• False

The two most common pathogens that you encounter are ___________.

Based on the information seen in the image above, what is a major difference between viruses and bacteria?

• Bacteria can reproduce but viruses cannot.

• Bacteria contain DNA and viruses contain RNA.

• All bacteria are pathogenic, but only some viruses are pathogenic.

• Viruses are surrounded by a protein coat; bacteria are surrounded by a cell wall.

What would you find in a virus?

• Nucleus

• Capsid

• Cytoplasm

• DNA/RNA

How is a virus different from a bacteria?

A bacteria requires a host cell to continue living.

• True

• False

The cell cycle consist of four phases, what are they?

Which is NOT one way that pathogens spread?

• droplets in the air

• food

• through animals

• water

• through email

Starting with Gap 1, what is the correct order of the cell cycle?

• G1 > G2 > S > M

• G1 > S > G2 > M

• G1 > M > S > G2

• G1 > S > M > G2