What feature of the Lakota Sioux society protected it from the epidemics that decimated other Native American groups in the nineteenth century?

In the aftermath of Lincoln’s election to the presidency in 1860, southerners feared that following?

Pseudomonas P agar is designed to enhance what specific pigment of the genus Pseudomonas?

To help us set (adjust) the turbidity of a saline solution for inoculation onto a spread plate we use a ____  ____.

What substrate is added to Mannitol Salt Agar that allows differentiation of Staphylococcus spp.?  

Which of the following examples illustrates the use of nonverbal communication to increase the impact of one’s messages?

Streak and Spread

During the 1850s, proslavery American expansionists attempted to acquire which of the following regions?

One reason given to justify a conglomerate merger is the desire to diversify into new markets, thus reducing the risk associated with adverse conditions in any single market.

Colonies which are growing closer together on an agar plate tend to be smaller than those growing by themselves.  Why is this?