The 1845 annexation of Texas provoked

A student is preparing McConkey agar plates and forgets to adjust the pH of the medium to between 6.9 and 7.3, which is normal for this medium.  The resultant media has a pH of 6.5. This difference will affect the specificity of the test.  Why?  (specificity – increase in false positives.)

Which of the following were core institutions for African American society in the mid-nineteenth-century South?

When using a blood agar plate on a mixed sample from a throat, the stabbing of the agar is designed to provide favorable conditions for the expression of ______ by members of certain gram positive bacterial species. (No, the answer is not anaerobic growth.)

A vaccine to cure COVID-19 is available

Selective Media

Which groups  would find the conditions in a candle jar beneficial for their growth?

Differential media prepared to test metabolic capabilities of bacteria are designed to reflect the organism’s natural environment.

A franchise agreement is the contractual arrangement between a franchisor and franchisee that details the duties and responsibilities of both parties.

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