There are some diseases that were controlled but now are coming back due to drug resistance.  These diseases are referred to as ___________________________.

This infectious amoeba, found in fresh water, can swim into the brain.

Which of the following is an important role algae play in the environment?

The flagellar arrangement seen below is when the bacterial cell has no flagella.  

You are studying which white blood cells are made during a COVID-19 infection. You would be considered a/n _____________________________. 

This doctor developed the first vaccine that protected against smallpox.

Which statement applies to fungi?

Most bacteria have defined morphologies. One type of morphology is pictured here.  

These algae have filaments that contain the pigment chlorophyll and make up pond scum.

The cell walls of protozoa consist of _________________.