13) Capillary beds are fed by the ________.

43) When an electrical impulse reaches the AV node, it travels through the ________.

The viruses that inject DNA into different bacterial species are:

When enumerating microbes, one method used is culture turbidity.  What instrument would be needed to measure the turbidity of a culture?

A microorganism that likes elevated levels of CO2, and no O2 present, would best be termed a ___________________.

The dormant, resistant stage of protozoa is called the

The classification group of protozoa that contain amoebas?

A relationship where the microbe benefits, and the host is not affected, would best be called a _________________ relationship.

What is it called when something is able to pass through a cell membrane while using energy (ATP)?

If a microorganism prefers an oxygen rich environment, but can still metabolized in the absense of oxygen, which of the following terms would apply?