This flagellated protozoan causes African Sleeping Sickness.

___________________________ is the theory that microbes can invade other organisms and cause diseases.

Pictured below is this bacterial arrangement, defined as irregular clusters.  

Mitochondria likely originate from ____.

Fungi in this phylum produce zoospores. Frog pathogens are in this phylum.

This scientist was the first to see living “animalcules” under the microscope.

These microbes ferment to make yogurt and cheese.

You are staining a Gram-positive bacterium and forgot the decolorization step (but continued with the rest of the procedure). What result do you expect at the end of the Gram stain?

You discover a new bacterium in a pond. You stain the new bacterium and observe pink rod bacteria. What can you conclude from this?

These thin structures found on the bacterial surface are used to transfer DNA from one cell to another and are used in twitching motility.