The jumping of a gene from one location to another is done by ________.

Catalysts raise the activation energy needed for a reaction to occur. 

The expression of genetic traits is referred to as the organism’s ________.

The presence of viruses in the blood is called ________.

Control of rodent populations is important for preventing ________.

Which of these diseases would most likely be identified by viewing a stained blood smear in a light microscope?

Each of the following are true of enzymes except

The fibrous sac that encloses the heart is the ________.

A frequent cancer that is seen in AIDS patients is ________.

Plague exhibits a