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What substance(s) make McConkey Agar selective? Choose any that apply.

Small businesses generate half of the U.S. gross domestic product.

Which of these factors made enslaved African Americans reluctant to attempt to escape to the North?

The base medium of blood agar is [A] to which is added [B].

Pseudomonas aeruginosa is the only species of Pseudomonas known to produce ___.

Smallholding planters in the nineteenth-century South owned about how many slaves, on average?

What characteristic of the growth in a shake tube culture of an obligate anaerobe differentiates it from other organisms capable of growing anaerobically.  (That is, what confirms one is looking at the growth of an obligate anaerobe?)

_____ are by far the most common type of business organizations in the United States.

We label plates ….

When working with agar shake cultures or Fluid Thioglycollate medium  to grow anaerobes, why should the tubed media be boiled for at least 10 minutes prior to inoculation or be used soon after initial preparation?